Hire the best freelance Force Calculations expert designers for your company

Mechanical engineer with background in the entertainment industry. Skilled in mechanical design, analysis, and fabrication; as well as architectural technical design, fab, and install documentation. Read more

Mechanical engineer with background in the entertainment industry. Skilled in mechanical design, analysis, and fabrication; as well as architectural technical design, fab, and install documentation.

Currently I'm an aerospace engineering student. During the passed more than 4 years, I've completed a large number of projects connected to 3d modeling, drafting, reverse engineering, analysis and cal... Read more

Currently I'm an aerospace engineering student. During the passed more than 4 years, I've completed a large number of projects connected to 3d modeling, drafting, reverse engineering, analysis and calculations of forces, stress, displacement, fatigue, aerodynamics. By the way, I'm a 3D designer of heating and cooling systems, so I enrich my knowledge daily. I love and I am able to create new things, it's my passion. But simultaneously I know physics, strength of materials, theoretical mechanics and other subjects to keep my inventions real and rational

Experienced in complex machine design for automation and electromechanical applications. Strong understanding of pneumatic, hydraulic, and electronic systems. Focus on packaging excellent functional... Read more

Experienced in complex machine design for automation and electromechanical applications. Strong understanding of pneumatic, hydraulic, and electronic systems. Focus on packaging excellent functionality in an elegant form. Designs with manufacturing and assembly in mind.

- Special machine designs, mechanical holder and fixture designs, robot base constructions, conveyor designs (Pvc band, chain driven, elevator type, chip conveyor). -Strength, deflection and material... Read more

- Special machine designs, mechanical holder and fixture designs, robot base constructions, conveyor designs (Pvc band, chain driven, elevator type, chip conveyor). -Strength, deflection and material deformation analyzes of the designs in the simulation environment with the finite element method -Servo motor, reducer, Torque-Power force calculations and selection, strength, static and dynamic calculations -Robotic grinding cell designs, robotic load and unload systems project designs, robotic sanding-polishing cell designs - Preparation of machining, welded manufacturing and borverk technical drawings of the machines within the scope of the project in accordance with GD&T, placing material orders and following other manufacturing processes - Preparation of machine cabin designs and sheet metal laser cutting-twisting technical drawings, placing orders - Supervising the production and assembly line, analyzing the problems that arise and producing solutions and taking necessary quick actions

 15+ Years experienced Engineer with passion for innovation, problem solving and technology as the core value and having in-depth knowledge in Machine Design, Hydraulics, Wind Turbine Design Fixtures... Read more

 15+ Years experienced Engineer with passion for innovation, problem solving and technology as the core value and having in-depth knowledge in Machine Design, Hydraulics, Wind Turbine Design Fixtures design, New Product Development, Technical specifications preparation, Vendor assessment and sheet metal components design.  Proficient in Project Management, Team building, CADD tools such as Solidworks, AutoCAD, CosmosWorks, FAST (NREL Open Source Wind turbines Aerodynamic load calculation). Lead various projects and accomplished achievements by delivering the projects at right time with right quality.  International customers and supplier handling: Interacted with USA and Europe customers for understanding the specifications and requirements. Contributing and supporting in their new product development, FRP composite manufacturing design, Engineering change management and product support functions, took ownership and carried out various challenging projects along with the team by understanding the scope and requirements. Interacted with various country suppliers for RFQs, Negotiation and Business Queries (USA, Germany, Spain and China).  Worked on various design and development projects in the areas of Parts design, Force calculations, and Analyzing FEA results, IEC requirements for Small Wind Turbine Design and Annular energy estimation.

I am proficient in using important design programs such as Fusion 360, SolidWorks, Revit MEP and AutoCAD. I achieved first place with my team in the Design Together with BIM competition. During this p... Read more

I am proficient in using important design programs such as Fusion 360, SolidWorks, Revit MEP and AutoCAD. I achieved first place with my team in the Design Together with BIM competition. During this process, I enhanced my knowledge and skills in Revit MEP, further developing myself. In the pipe vise design and manufacturing project, I performed the necessary calculations for a specific force and created a detailed technical drawing based on these calculations. In model aircraft project for a model aircraft with moving parts, our team conducted thorough research to design the most suitable model. We used Fusion 360 to make this design printable on a 3D printer.

Licensed mechanical engineer PA with 16 years of experience in design and manufacturing in mechanical industries such as plastic-making machines, steel, paper, ventilation, impellers, etc. Machine an... Read more

Licensed mechanical engineer PA with 16 years of experience in design and manufacturing in mechanical industries such as plastic-making machines, steel, paper, ventilation, impellers, etc. Machine and equipment design experience is from concept to manufacturing. Services I Provide: Rotordynamic FE Analysis 3D Mechanical Concept Modeling, and 2D Manufacturing Drawing. 3D Modeling for 3D Printing and Prototyping. CFD, Mechanical, FEA, and modal analysis using Ansys software plastic parts, all kinds of plastic parts, small to large, with all necessary features for successful molding without, frozen walls, sink-marks, drafts, mounting bosses sheet metal, all kinds of sheet-metal parts, bend, punching, unfolding step, igs. files to get the correct start shape. reverse engineering FEA structure optimization, calculations on the loads and durability of an existing product or new design. My analysis background includes the following: Stress FEA & CFD     Polymer extrusion Thermodynamics Heat Transfer - Conduction, Forced and Natural Convection, Radiation Ventilation Vibration Hydraulic Bearing performance Electromagnetic Force Analysis So if you really want your project done with top quality, with no false results, engineering approach, hire me and leave the rest to Me !!! Communication is key. I always strive to clearly understand my client's needs before starting any project to make sure we are in agreement on what the final product should be. Tags: CATIA, SolidWorks, Solid-Edge, NX, ANSYS, Autodesk Inventor, AutoCAD ... CAD Drafting, 3D modeling, CAE calculations, CFD calculations, product optimization, 3D printing, 2D to 3D conversion, Reverse engineering (damaged product to 3D/2D documentation...

My strengths include: Time Management. Team Management. Project Management. My skillsets includes: MATLAB Coding. C++ Coding. R Language. Ansys Software. Creo Parametric Software. SolidWorks. AutoCAD.... Read more

My strengths include: Time Management. Team Management. Project Management. My skillsets includes: MATLAB Coding. C++ Coding. R Language. Ansys Software. Creo Parametric Software. SolidWorks. AutoCAD. MS Excel. MS PowerPoint. MS Word. Heat CAD. Heat Analysis Program (HAP). COMSOL. During my Bachelor's in Mechanical Engineering, I have worked on the following Projects: Solar Based Agricultural Seed Sprayer. Line Following Robot. Analyzing the effect on the lift and drag force on an airfoil with and without winglet. Shell and tube heat exchanger with counter flow. In my Final Year Project, I worked along with my other team members on the project with title of: Design, Simulation and Fabrication of CNC Milling and Laser Engraving Machine for PCB Fabrication.

We have a small team of 3 engineers, mainly focused on power hydraulics, designing & drawing of customized/ special purpose machines. We have more than 25 years of academic as well as industrial exper... Read more

We have a small team of 3 engineers, mainly focused on power hydraulics, designing & drawing of customized/ special purpose machines. We have more than 25 years of academic as well as industrial experience. We have a licensed version of Solidworks 2022. Some of our past projects: • Designing & drawing of hydraulic lift to raise the load of 15-Tons upto 21 meters, submitted to Barrel Hone Pvt. Ltd., Bahadurgarh, Haryana, India • Maintained the hydraulic lifting mechanism of a portable operation theatre being used by Indian army, container size is 8X8X20 feet & lifting height was 1.5 meter for loading & unloading purpose • Designing & drawing of double stage scissor lift of 2-Ton capacity with table size of 1900X900 mm, supplied to our client in UAE • Currently working on Designing & drawing of hydraulic system for lifting & shifting of 10-Ton container for Indian Air Force, Dehradun Our design methodology: i) Customer's basic requirement is presented in the form of hand sketch. ii) After customer's approval, we design the structural elements with the help of manual calculation with reference to national and international standards. iii) We do calculations for the selection of standard bought out components. iv) Free hand detail part drawings of machining and fabricated components are sketched and the solid model of the same are prepared in solidworks. v) After this, the assembly drawing of sub-assemblies is prepared on Solidworks, with animation geometric limitations are verified. vi) We prepare the assembly instruction sheet, operation maintenance manual for the customer.

I am a certified plastic design engineer responsible for design and development of Medical and electromechanical devices. My work experience includes following  New product design, Development, Proto... Read more

I am a certified plastic design engineer responsible for design and development of Medical and electromechanical devices. My work experience includes following  New product design, Development, Prototyping and testing experience.  Worked on Plastic product design for both industrial and Electromechanical products and having good knowledge of molding processes.  Worked on sheet metal product design, different operations in sheet metals, and casting products.  Worked on selection of materials especially plastic materials considering Functionality, Mechanical, electrical, optical properties, Climatic conditions, Availability, Cost etc.  Worked on Reverse and Value engineering of products.  Having Experience in Parts tracking, EAU Estimation, BOM creation, ECO creation.  Performing FEA and thermal analysis on part and product level (Intensive experience in electronic cooling and solutions for various electronic systems and Lighting components) and calculations such as tolerance stack analysis, force and stress analysis etc., to ensure a functional and robust design of the part design.  Worked on DFMEA/PFMEA and RCA.  Good knowledge of GD & T, DFA,DFM,Form & fits for mating features.  Creating Parts and assembly drawings.  Worked on PLM & PDMS and project management.  Worked & Knowledge of different Mechanical software’s like Pro/E Wildfire, Solidworks ,Autodesk inventor and knowledge of others as mentioned below.  Planning and co-ordination of day-to-day activities involved in project assignment. I am proficient in CAD software’s like Solidworks,Pro/E Wildfire, Autodesk inventor, AutoCAD and Microsoft office, Basics of C. For FEA and Thermal analysis software used are Solid works and Autodesk Flex, Ansys. My fields of specialization are New product development from concept to Development stage and beyond, Design of plastic, sheet metal and casting part components, Reverse and Value engineering.

About Mechanical Engineering: Welcome. My name is Lukasz Kaminski and I have been the owner of Mechanical Engineering for over a year. I am an engineer with seven years of experience specializing in t... Read more

About Mechanical Engineering: Welcome. My name is Lukasz Kaminski and I have been the owner of Mechanical Engineering for over a year. I am an engineer with seven years of experience specializing in technology and construction. My company designs and sometimes manufactures machines and production equipment for various industries through manufacturing companies. My specialty is the design of machines and devices as well as entire production lines and production equipment: welding and assembly instruments, machining brackets, multi-stroke dies/dies. I approach each project individually through an initial conversation with the client. My services are used by both individual customers and production companies. My priority is the safety of using the machines I design and adapting them to the standards and regulations in force in the European Union. In the process of constructing new equipment, I carry out in detail risk assessment and validation with applicable EU standards and directives, which are mandatory when granting the CE mark to new devices. I invite to cooperation individual clients and enterprises to whom I offer: • 3D design in modern CAD environments, • Development of complete designs of machines and devices, technological equipment and production lines in order to implement them into production, • Modification and modernization of existing structures, • Technical support during the development of prototypes of machines and devices, • Design assistance during the implementation of large and complex construction orders, • Creation of construction documentation of machines, parts and subassemblies, which includes: assembly drawings, assembly drawings, manufacturing drawings, drawings of semi-finished products for laser cutting, • Creating technical documentation for patent purposes or obtaining EU subsidies, • FEM strength calculations with preparation of reports.

Competencies Mechanical Engineering and Management of prototype projects from conception, through design, build, and testing phases. Frequent communication and coordination with other design engineer... Read more

Competencies Mechanical Engineering and Management of prototype projects from conception, through design, build, and testing phases. Frequent communication and coordination with other design engineering disciplines and technicians to complete objectives. Proficient utilization of Solidworks software to generate 3-D models of design concepts, and drafting engineering drawings for manufacturing and production. Research and Analysis of design ideas, specifications and manuals to determine feasibility and safety of design or application. Collaboration with Production personnel to ensure products and systems conform to engineering specifications. Use of CAE software, conducting virtual structural design iterations for identifying and remediation of potential design issues. Creation of drawings for communicating with production personnel, and generation of explanatory diagrams, technical files and bills of materials for production and reports. Procurement of cost effective parts and materials for projects, often working directly with in house and outside manufacturers on fabricating and building components. Conducting tests on prototype designs, operating all associated equipment and collecting relevant data for analysis. Authoring training manuals and training professional and technical staff on design or system use. Compiling and presenting research data into formats for scientific analysis, or customer reports. Professional Experience Mechanical Engineer NTS/MSI/Sierra Peaks Inc. Jan 2012 to Nov 2017 Hardware and Service Solutions 8436 Washington Place Albuquerque, NM 87113 http://www.sierrapeakstibbetts.com Lead Engineer, responsible for Production Management, and Technical Documentation of Harvester airborne nuclear particulate sampling pods for Sandia Labs/ Airforce (AFTAC) customer. Implemented an MRP inventory system to re-organize shop activities from the development of prototypes into producing multiple large pod systems. Functioned as primary focal point on engineering and technical issues. Supported and interpreted to Manufacturing, Investigated Engineering draw errors and corrected suitably. Wrote the ECOs and drafted the drawing changes for a complete deliverable design package to customer. Design and structural analysis of composite pod heat sink/strong back structure and composite enclosure for airborne camera payload of customer design. Successfully tested to IP67 customer requirement and delivered prototypes. Mechanical Engineer Adherent Technologies Inc July 2001 to Jan 2012 Development Laboratories 11208 Cochiti SE, Albuquerque NM www.adherent-tech.com Modernized outdated mechanical test equipment, as well as trained new personnel to complete destructive testing for evaluating mechanical properties of advanced composite materials. Results showed improved composite material properties achieved by chemist's formulas. Designed, manufactured and operated testing apparatus within ASTM specifications for collecting particulate emissions from catalytic wood stove designs. The results favorably compared new catalyst formulas to competing market products. Organized and managed the facility installation of a pneumatically operated, industrial distillation unit for solvent recovery for composite recycling process plant. Unit was successful, and safely operated. Designed and built structural support and developed operating procedures for a prototype 300 gallon acid digestion composite materials recycling reactor. The reactor is still operating and providing data for composite recycling research to this day. Analyzed the feasibility and implemented the re-purposing a salvaged reactor into a medium sized vacuum testing chamber for experiments with inflatable, foam injected, rigidizable-on-command space structures. Operated, collected data, and designed modifications to a large-scale gasification type tertiary recycling prototype plant. Improved critical heat exchanger designs. Designed, built and operated an experimental drop through plasma treatment chamber for etching surfaces of graphite flakes and carbon nanotubes for use in advanced composite material research. Created a synchronized jack screw system for rapidly opening heat treatment ovens to facilitate faster re-threading and increase production of line involved in composite fiber finish application and powdered tow pre-impregnation. Developed servo controlled gate valves for a feedback control method utilizing laser interferometers for controlling powder flow deposition onto composite fibers. Contributed to the scientific and technical innovation with mechanical test results and visual diagrams and pictures, approved for publication as a NASA Tech Brief, entitled Light Curing Structural Repair Tape for In-Space Repair. Mechanical Engineer Civilian Service, C-5 Engineering September 1999 to June 2001 Warner-Robins Air Force Base, Georgia Q-Clearance obtained (expired) Evaluated and solved engineering problems in a depot level aircraft repair facility, specifically working on maintaining and repairing the oldest prototypes of the heavy lifter fleet of C-5 military aircraft. Designed and interpreted for mechanics any non-standard airframe structural repairs. Worked with fabricators in creating repair fittings and addressing manufacturing issues. Education Bachelor of Science, Mechanical Engineering 1995-1999 University of New Mexico Albuquerque, NM Graduated with Honors Skills Computer aided engineering with 3-dimensional modeling and documenting software Solidworks, Solidworks Workgroup, Pro-E, Autodesk, Spaceclaim, Sketchup Ansys Simulation Software, Workbench Platform, Structural Mechanics, Statics, Heat Transfer Caedium Computational Fluid Dynamics Software Microsoft Office Suite Products I can play a guitar and harmonica, operate a slide rule and solve a rubics cube. References Available upon Request

A talented senior project architect specializing in medium and large scale commercial and residential projects . possessing several years experience. I'm an Architect with powerful 3d designing and r... Read more

A talented senior project architect specializing in medium and large scale commercial and residential projects . possessing several years experience. I'm an Architect with powerful 3d designing and rendering knowledge. skills: > Autocad > 3ds Max > vray rendering > Solidwork > Google sketch up , > Photoshop, > 3D video animation > revit > Free hand sketching > Ms office Provide services in architecture and interior design of > Town planning > Residential > commercial > Recreational > Institutional > Industrial > Hospitals > Hospitality - Hotels, Motels, Resorts etc. > High rise buildings I'm sincere with my work and enjoy working at all critical conditions. If you hired me, I'll sure you to give you the best out put

Hello! My name is Daniel, and I am a CAD designer with five years of experience. Originally from Central Asia, I bring a unique blend of local culture and international design standards to my projects... Read more

Hello! My name is Daniel, and I am a CAD designer with five years of experience. Originally from Central Asia, I bring a unique blend of local culture and international design standards to my projects. My services include the development of 2D projects such as apartment plans, commercial space plans, and facade section plans. My expertise in this area allows me to create functional and aesthetically appealing projects that meet the needs of clients. In the field of 3D design, I specialize in interior and exterior visualization. My 3D projects not only help clients visualize the end result but also add elements of realism and elegance to every detail. I also create 3D plans for apartments and commercial spaces, providing a comprehensive understanding of the space and its possibilities. My goal is to exceed clients' expectations by providing quality and innovative design solutions. I approach each project with respect, striving for perfection in every detail. If you are looking for an experienced CAD designer who can bring a fresh perspective to your project, I am ready to help.

I'm a professional and expert in 3D Modelling in SOLIDWORK, AUTOCAD, Siemens NX, CAD/CAM and Analysis in ANSYS. We can design your product using above softwares. Visit my website jagruthtech.in... Read more

I'm a professional and expert in 3D Modelling in SOLIDWORK, AUTOCAD, Siemens NX, CAD/CAM and Analysis in ANSYS. We can design your product using above softwares. Visit my website jagruthtech.in for more info. I own a Design and analysis industry in Mysore,India. we recieve 100's project from industry and do academic services also. I have employees who are expert in SOLIDWORK, AUTOCAD, Siemens NX, CAD/CAM. Even we are looking for long term cooperation thats why im bidding at less price. We Just need dimensions to start. Check out my portfolio for my recent projects on SOLIDWORK, AUTOCAD, Siemens NX, ANSYS. I have 5 years experience in 3D Modelling in SOLIDWORK, Siemens NX, AUTOCAD, CAD/CAM and ANSYS. I have expert in 3D Modelling using SOLIDWORK, Siemens NX, AUTOCAD and ANSYS on different domains like 1. Aircraft domain. 2. Automobile domain. 3. Turbo machinery. 4. Compressor and Pump. 5. On Renewable Energy, visit my portfolio to see my recent projects

Hello, I graduated from Electrical Engineering and worked in the field of electrical automation in a System Integrator company for 4 years (Drafter), Expert in Electrical automation & instrument desig... Read more

Hello, I graduated from Electrical Engineering and worked in the field of electrical automation in a System Integrator company for 4 years (Drafter), Expert in Electrical automation & instrument design work, as well as making Hook Up drawings related to instrument work installation methods. I can also work as a Design Engineer, namely calculating the BOM (bill of materials) for panel distribution, PLC automation, and material needs for panel accessories. I'm using standard drawing schematics and layouts with IEC. This is obtained from my flexible work so that it can help the engineering team in calculating work. I also have a certificate to support this freelance design work because I attended several trainings that are currently being developed in Indonesia, including: - Eplan Electrical Pro Panel - Autocad -Revit

I love to design and draw things, as i believe most of the problems can be solved by design. I try to deliver things with perfection without losing any detail. Read more

I love to design and draw things, as i believe most of the problems can be solved by design. I try to deliver things with perfection without losing any detail.

I AM PRATIK PATIL [Mtech. (Structural Engg.) working in various fields in Civil Engineering for 4 years. Also, my company Edifice buildology working in the Civil Engg education field having a good res... Read more

I AM PRATIK PATIL [Mtech. (Structural Engg.) working in various fields in Civil Engineering for 4 years. Also, my company Edifice buildology working in the Civil Engg education field having a good response and feedback from various institutions in Maharashtra,Nagpur. Now Edifice Buildology entering the freelancing field to expand our business and we will try our best to provide the best in service to our clients and all the connections in the future.

I am an architectural visualizer and Interior designer offering over 4 years of experience in both fields. Even though I started 3d Visualization in college life. I have advanced skill in 3ds Max, Ske... Read more

I am an architectural visualizer and Interior designer offering over 4 years of experience in both fields. Even though I started 3d Visualization in college life. I have advanced skill in 3ds Max, Sketch Up, VRay, AutoCAD, Photoshop, Aftereffect. I have completed diploma in Architectural Visualization & Degree in Interior Designing. I have completed project for small, medium and large Architect Firms. Many Architects and Interior designer found my works helpful. Please do not hesitate to contact me to discuss your project determine how my skills will be the perfect fit for your requirements.

I'm a mechanical engineer, I have 3 year of experience in mechanical design and drawings in the automation sector. I'm an expert of solidworks and I had work on automatic machine for the automotive... Read more

I'm a mechanical engineer, I have 3 year of experience in mechanical design and drawings in the automation sector. I'm an expert of solidworks and I had work on automatic machine for the automotive sector.

Our innovative interior design studio specialize in crafting spaces with an authentic visual identity that reflects your unique style and personality. At our core, we believe that interior design is n... Read more

Our innovative interior design studio specialize in crafting spaces with an authentic visual identity that reflects your unique style and personality. At our core, we believe that interior design is not just about creating spaces; it's about telling a story and conveying that story through the aesthetics and ambience. We understand that each client is distinct, and we approach every project with a keen focus on bringing out the individuality of the space. What sets us apart is our commitment to authenticity and unique.

Mechanical Design Read more

Mechanical Design

Hi, I'm Aminu, a CAD designer with over 5 years of experience. My expertise lies in mechanical design, engineering analysis, material selection, design for manufacturing and additive manufacturing, an... Read more

Hi, I'm Aminu, a CAD designer with over 5 years of experience. My expertise lies in mechanical design, engineering analysis, material selection, design for manufacturing and additive manufacturing, and I'm proficient in CATIA, Solidworks, Fusion 360 and Inventor along side engineering analysis tools like Ansys, MATLAB and CFTurbo. I've had the privilege of working on a variety of projects, from manufacturing industries, automotive, biomedical and consumer products, and have consistently delivered exceptional results. I hold a masters degree in Production Engineering and i am a certified Solidworks expert, which have equipped me with the knowledge and skills needed to excel in this field. My passion for CAD design drives me to create innovative and effective solutions for every project I undertake. I'm currently available for new opportunities, and I'm excited to collaborate on your next project. Let's bring your design ideas to life!

Myself, Prasant Tajane, having 3 years and 2 months experience in designing CAD models and performing simulation and CFD analysis as per requirements by OEM's and Customers. CAD Models:- 1. Sheet me... Read more

Myself, Prasant Tajane, having 3 years and 2 months experience in designing CAD models and performing simulation and CFD analysis as per requirements by OEM's and Customers. CAD Models:- 1. Sheet metals designing and development 2. Plastic Automotive trims and product development 3. Progressive Tool Design and Mould/ Cavity design CAE Models:- 1. 2D meshing of 2.54 mm steel sheet metal bracket for 2MPa CAE 2. Water meter for hydro-static pressure of 20 Bar 3. Motion Simulation for assemblies components and linkage working

Megadon Metall OÜ Senior Technical Designer, Process engineer, Product engineer January 2013 - Present BLRT Marketex Shipbuilding and offshore metal constructions projects. Shipbuilding and me... Read more

Megadon Metall OÜ Senior Technical Designer, Process engineer, Product engineer January 2013 - Present BLRT Marketex Shipbuilding and offshore metal constructions projects. Shipbuilding and metal constructions projects. Barges for fish farming industry, Multifunctional catamarans (Norway), Hull and outfitting details. Senior Technical Designer January 2006 - January 2011 Kiviõli Keemiatööstuse OÜ Metal constructions, production lines and process machines projects. January 2002 - January 2004 Technical designer

Hi, I'm Ramjan Ali. I'm diploma in Civil Engineer. I have 5 years experience in AUTO CAD for R.C.C and steel structure. I'll give my best for any work. Professionally I'm a draftsman of a consultant... Read more

Hi, I'm Ramjan Ali. I'm diploma in Civil Engineer. I have 5 years experience in AUTO CAD for R.C.C and steel structure. I'll give my best for any work. Professionally I'm a draftsman of a consultant and construction farm. I love this work so much . Architectural Plan, elevation, section and if you give me design I'll drawn structural drawing.