KASHIF RANA

Stay well-prepared with the basics of Vibration! Introducing the 3rd quiz in our series on 'Test your fundamentals'. Take it to assess your understanding & identify gaps in your knowledge. #CAEwithAbhinav #physics #fundamentals Take a quiz on Crash test & Drop test on my WhatsApp channel (Link in comment 👇). My Physics Cafe

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🚧 Understanding and Minimizing FEA Errors 🚧 Finite Element Analysis (FEA) is a powerful tool in engineering, but its accuracy is highly dependent on how it’s applied. Whether you’re simulating stress, heat, or fluid dynamics, errors can creep in and lead to misleading results. Here are some common sources of FEA errors: 🔍 Meshing Errors: Too coarse or too fine mesh can distort results. Always aim for a mesh that balances accuracy with computational cost. 📐 Boundary Conditions: Incorrect or oversimplified boundary conditions can drastically affect your outcome. Ensure they realistically represent the physical scenario. 📊 Material Properties: Material assumptions (like isotropy or linearity) should be verified. Incorrect properties will lead to inaccurate simulations. ⚙️ Solver Convergence Issues: If your solver isn’t converging, it’s often a sign that something isn’t right in the setup—watch out for singularities or too-stiff constraints. 🔧 Post-processing Interpretation: Don’t just rely on colorful contour plots! Always validate your results with analytical methods or real-world testing. By keeping these potential pitfalls in mind, you can achieve more reliable FEA results and avoid costly design errors. 🌟 #Engineering #FEA #Simulation #CAD #DesignValidation #Meshing #EngineeringAnalysis

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Crack propagation in lightweight gears during single tooth bending test. On left crack propagates trough tooth (“safe failure”) on right crack propagates trough the rim (“catastrophic failure”). The difference between the two gears is just the rim thickness. #gears, #fatigue, #bendingtest, #fatiguelimit, #lightweight, #lightweightgears, #failsafedesign, #crack, #creckpropagation, #testing, #airplane, #helicopter 

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Ansys Ansys Digital Twin CADFEM India Nitin Banait #Motor #Digital #Twin #Steps 1. #Data #Collection: 2. #Modeling and #Simulation 3. #Integration of #Real-#Time #Data 4. #Analytics and #Insights #Solutions as per different combinations as per requirements from #Ansys #Ansys #Twin #Builder: A dedicated platform for creating, validating, and deploying digital twins. It allows integration with IoT platforms and real-time data streams. #Ansys #Motor-#CAD: Specialized software for the design and analysis of electric motors. It supports multiphysics simulations, including electromagnetic, thermal, and mechanical analyses. #Ansys #Fluent and #Ansys #Mechanical: These tools can be used for detailed fluid dynamics and structural analysis, respectively, providing a comprehensive simulation environment. #Ansys #Electronics #Desktop: This suite includes various tools for simulating and analyzing electromagnetic fields, which is crucial for the accurate modeling of electric motors.

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Life & career can be unpredictable. A small accident or a simple error can alter the path. That's why it's important to know some key rules to avoid big mistakes. Here’s a 'Not to Do List' for #CAE engineers. #CAEwithAbhinav #mechanicalengineers #checklist 400+ people are getting free access to webinars & events in CAE daily. Join the community on WhatsApp (Link in comment 👇) My Physics Cafe

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In such situation you take a drawing and a measuring equipment. Based on the results of that, regardless if you are manufacturer or designer, you take the blame and use that to be better next time.

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#Skilleducation is the cornerstone of a #prosperous #future. Equip yourself with #practicalskills that are in #demand globally and pave the way for a #successfulcareer. In-Demand Practical Skills for a Successful Career in #MechanicalEngineering: 1. #CAD/CAM Software Proficiency (#AutoCAD, #SolidWorks, #CATIA) 2. #FiniteElementAnalysis (FEA) 3. #ProjectManagement 4. #Thermodynamics and #FluidMechanics 5. #ManufacturingProcesses and #Automation 6. #HeatingVentilationandAirConditioning (#HVAC) System Design 7. #QualityControlandAssurance 8. #RenewableEnergySystems 9. #ProductLifecycleManagement (#PLM) 10. #RoboticsandMechatronics

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GD&T of precise positioner. What would be your strategy defining GD&T in this case?

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Vibrations are multidimensional. That's why NVH testing requires understanding of various parameters like frequency response, Sound pressure level, Transmissibility, etc. This flowchart represents a simplified overview of the #NVH process which is often iterative & involves collaboration across various engineering disciplines. #CAEwithAbhinav #vibration #analysis Explore similar flowcharts in CAE in my latest eBook. Link in first comment 👇 My Physics Cafe

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Single Layer Multi-Track LPBF Simulation of Ti6Al4V Alloy using AM PravaH software. The simulation was conducted using AM PravaH software for analyzing a specific LPBF process scenario. The focus was to investigate the melt pool characteristics which involve the depth and width of the melt pool formed during the laser scanning process. Another important aspect examined in our study is the fusion between adjacent laser tracks which ensures the mechanical strength and overall quality of manufactured parts. #additivemanufacturing #3dprinting #simulation #engineering #AMPravaH #lpbf #technology

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🚗 Understanding Vehicle Steering Systems: Parallelogram vs. Rack & Pinion🚗 Steering systems are crucial for vehicle control and safety, and understanding their mechanics can greatly enhance our appreciation for automotive engineering. Here’s a closer look at two common types of steering mechanisms: Parallelogram Steering: 🔧 Components: Upper/Lower Control Arms: Connect the steering knuckle to the vehicle frame. Power Steering Gearbox & Pump: Assist in steering with hydraulic pressure. Idler Arm & Pitman Arm: Transfer motion from the gearbox to the wheels. Tie-Rod Ends & Center Link: Connect and transfer steering forces to the wheels. Rack & Pinion Steering: 🔧 Components: Rack & Pinion Unit: Converts rotational motion from the steering wheel into linear motion to turn the wheels. MacPherson Strut: Combines a shock absorber and a spring to support the weight of the vehicle. Tie-Rod Ends: Connect the rack to the steering knuckle. Anti-Sway Bar: Reduces body roll during cornering. Key Differences: Complexity: Parallelogram steering is more complex with multiple linkages, while rack & pinion is simpler and more direct. Response: Rack & pinion steering offers more precise and responsive handling, making it a popular choice for modern vehicles. Maintenance: Parallelogram systems might require more maintenance due to their numerous components. By understanding these systems, automotive professionals and enthusiasts can better appreciate the engineering that ensures our vehicles are safe and responsive on the road. Let's drive forward with knowledge and innovation! #AutomotiveEngineering #VehicleSteering #ParallelogramSteering #RackAndPinion #MechanicalEngineering #Innovation #Safety #Automotive #AutoIndustry #CarIndustry #AutomotiveEngineering #AutomotiveTechnology #ElectricVehicles #EV #AutoManufacturing #CarDesign #AutonomousVehicles #ConnectedCars #AutoInnovation #Mobility #AutomotiveNews #AutomotiveTrends

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🔵 Design Considerations and Guidelines for A-Pillar Trim in Automotive Industry. The A-pillar trim in automobiles plays a crucial role in both aesthetics and functionality, requiring careful design considerations to meet regulatory standards and enhance overall vehicle performance. Here are key factors to consider when designing A-pillar trim components: 🔻Functional Integration: A-pillar trim serves multiple purposes, including providing structural support, housing airbags or sensors, and contributing to interior aesthetics. Design should integrate these functions efficiently without compromising safety or usability. 🔻Material Selection: Choose materials that balance weight, durability, and aesthetics. Common materials for A-pillar trim include plastics, composites, and occasionally metals. Consider material properties such as impact resistance, UV stability, and recyclability. 🔻Crashworthiness: A-pillar trim must comply with crash safety regulations. Design should minimize intrusion into the passenger compartment during a collision while supporting the roof structure and maintaining airbag deployment effectiveness. 🔻Design for Assembly (DFA): Optimize A-pillar trim design for ease of manufacturing and assembly. Use modular components and simplified joining methods to streamline production and reduce costs. 🔻Ergonomics and User Experience: Ensure that the A-pillar trim enhances comfort and usability. Design considerations include tactile surfaces, integrated controls, and optimized visibility for the driver and passengers. 🔻Aesthetic Appeal: A-pillar trim contributes significantly to the vehicle's interior aesthetics. Harmonize the design with overall interior styling, considering color, texture, and finish to create a cohesive and appealing cabin environment. 🔻Regulatory Compliance: Adhere to regulatory standards for interior materials, flammability, emissions, and occupant safety. Compliance with standards such as FMVSS (Federal Motor Vehicle Safety Standards) and REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) is essential. 🔻Noise, Vibration, and Harshness (NVH): A-pillar trim should help minimize NVH levels by incorporating sound-absorbing materials and effective sealing to reduce road and wind noise inside the cabin. 🔻Collaborative Design and Testing: Engage in collaborative design and testing processes involving design, engineering, and manufacturing teams to ensure that A-pillar trim meets all functional, aesthetic, and regulatory requirements. Designing A-pillar trim involves a holistic approach that considers safety, performance, aesthetics, and sustainability. By integrating these considerations into the design process, automotive manufacturers can create high-quality and compliant A-pillar trim components that enhance the overall driving experience. #AutomotiveDesign #InteriorTrim #VehicleSafety #RegulatoryCompliance #Manufacturing #ProductDevelopment #DesignGuidelines #Engineering

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#Proficiencytesting2024 Proficiency Testing on Uncured Elastomeric Compound Discipline : Testing Sub-discipline : Mechanical Scheme : Simultaneous 1. Minimum Torque (HPT/M/UEC/MIT/69/2024) 2. Maximum Torque (HPT/M/UEC/MT/70/2024) 3. Scorch Time (HPT/M/UEC/ST/71/2024) 4. Cure Time (HPT/M/UEC/CT/72/2024) 5. Mooney Scorch (HPT/M/UEC/MS/73/2024) Upcoming Schedule : Oct 2024 No. of expected participants : 10 *GST extra Q: How does proficiency testing differ from internal quality control ? A: Proficiency Testing (PT) and Internal Quality Control (IQC) are both vital components of a laboratory’s quality management system, but they serve different purposes and have distinct characteristics. Key Differences: 1. Objective: Proficiency Testing (PT): PT is used to assess a laboratory’s performance by comparing its results against those from other laboratories or against an established reference value. Its main objective is to provide an external benchmark for performance and ensure the laboratory’s results are accurate and comparable across the industry. Internal Quality Control (IQC): IQC is a routine, ongoing process conducted within the laboratory to ensure the reliability of the results produced in real-time. It aims to detect errors and maintain consistency throughout the testing process on a daily basis. 2. Frequency: PT: Typically conducted at regular intervals, such as quarterly or annually, depending on the requirements of accreditation bodies or specific testing needs. IQC: Conducted daily or with each batch of tests. It is a continuous process to monitor the quality of testing in real time. 3. Nature of Assessment: PT: Involves an external comparison with other laboratories. Laboratories receive unknown samples from an external provider, analyze them, and submit their results for evaluation. IQC: Involves an internal, within-laboratory comparison. Control samples or standards are tested to verify the performance of analytical procedures and equipment. 4. Scope of Evaluation: PT: Evaluates the entire testing process, including sample handling, preparation, analysis, and reporting. It is an indicator of how well a laboratory’s processes work compared to other labs. IQC: Focuses on monitoring precision and accuracy within the laboratory. It aims to detect and correct errors before results are reported to clients, ensuring that instruments and methods are performing as expected. 5. Result Interpretation and Actions: PT: Results are analyzed to determine whether they fall within acceptable limits based on external criteria or comparison with other labs. If results are unsatisfactory, the laboratory needs to investigate and take corrective action. IQC: Deviations from expected control limits prompt immediate corrective actions to address issues before releasing patient or sample results. #HASETRI #PTPNABLCONCLAVE2023WINNER

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Traditional numerical methods, such as the Finite Element Method (FEM), can easily increase accuracy "locally" through techniques like mesh refinement. However, #PINNs do not inherently offer this localization capability, often leading to spectral bias and reduced accuracy in regions with high gradients. In our recent work, we tackle this challenge by embedding a trainable encoder—a structured grid of trainable features—within the #PINN framework. Our comparative studies demonstrate that this approach not only enhances accuracy but also mitigates spectral bias in #PINNs. Check out our paper for detailed insights: https://lnkd.in/ezH553Uj Code: https://lnkd.in/e5tRNsYS A big shoutout to Mehdi Shishehbor and Shirin Hosseinmardi for leading this work.

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Friends, I have a question to which I do not have an answer yet: is it possible to evaluate the amount of presetress in a structure by some means like NDT, etc.? Can any of you share your knowledge with me regarding this? Please comment. #experimentalstressanalysis #stressanalysis #structuralengineering #mechanicalengineering .

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What excites me most about ‘Lighting’ is to always venture into unknown..Think differently and explore new things..…🌏 🚗 Exciting Times in Automotive Lighting Design & Simulations! Many things have changed since 2001 when I started using Speos for the 1st time… Our simulation partners from Ansys hosted a Technology Day at the Uno Minda Manesar facility recently, and I must say, the experience was nothing short of amazing! Ansys, a leader in engineering simulation software, showcased cutting-edge advancements in optics design, simulation, structural analysis, and thermal integrity. Witnessing how simulation has evolved and its profound impact on every stage of the design and development cycle was truly impressive. But what truly stole the show was the Virtual Reality Simulation demo. Imagine being able to step into a virtual world and visualize simulation results in real time! I had the opportunity to try out their VR device, and it was mind-blowing. This breakthrough in technology is poised to revolutionize how we approach simulation. The ability to immerse oneself in a simulated environment opens up endless possibilities, from refining light leakage analysis to enhancing rendering and visualization techniques. I firmly believe that this innovation will redefine the standards in automotive lighting design and development. It's not just about pushing boundaries; it's about creating new ones altogether. I'm thrilled to share a glimpse of my experience with you all. Check out my review of the experience as the team from Ansys walks me through it. Let's embrace the future of automotive lighting together. #AutomotiveInnovation #UnoMinda #SimulationTechnology #Ansys #Speos

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The Silent Threat: Understanding Metal Fatigue Metals are known for their strength and durability, but even the sturdiest metal can succumb to a hidden enemy - fatigue. What is metal fatigue? Metal fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Unlike a single, high-force event that can cause immediate fracture, fatigue cracks develop over time from repeated stresses, even if they are well below the material's ultimate tensile strength. Why is fatigue important to understand? Fatigue is a major concern in various engineering applications, including: * Aircraft structures: Repeated pressurization cycles during flight can lead to fatigue cracks. * Bridges and buildings: Wind, traffic vibrations, and other cyclic loads can cause fatigue damage. * Machinery components: Shafts, gears, and other parts subjected to repetitive stresses are susceptible to fatigue. Factors influencing fatigue: * Magnitude of stress: Higher stress levels accelerate fatigue damage. * Number of loading cycles: The more cycles a material experiences, the greater the risk of fatigue. * Material properties: Some metals are inherently more resistant to fatigue than others. * Surface features: Notches, scratches, and other surface imperfections can act as stress concentration points, promoting crack initiation. Mitigating fatigue risks: * Design considerations: Minimizing stress concentrations through smooth transitions and optimizing geometries can reduce fatigue risk. * Material selection: Choosing materials with high fatigue strength is crucial for critical applications. * Surface treatments: Shot peening or other techniques can introduce compressive stresses on the surface, counteracting fatigue crack initiation. * Non-destructive testing (NDT): Regular inspections using techniques like X-ray or ultrasound can help detect fatigue cracks before they become critical. By understanding the concept of metal fatigue and taking appropriate measures, engineers can design and maintain safe and reliable metallic structures for the long term. #Share your experiences! Have you ever encountered metal fatigue in your field? How was it addressed? #fatigue #failures #metallurgy #engineeringchallenges #materialselection #structuraldesign #NDE #preventivemaintenance

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🚗 Automotive 101, in the last post ⏮ we saw the concept phase in automotive BIW product design ⚙ ... now let's see what is Design for manufacturing (DFM) and engineering phase 😎 In design and engineering, CAD (Computer-Aided Design) software is indispensable for creating both 2D and 3D models of Body in White (BIW) components and assemblies. Engineers meticulously evaluate several factors during this stage: 🔸 Structural Integrity 💪 : Engineers use CAD software to develop detailed models of BIW components, which are then subjected to structural analysis. This involves assessing how the components will perform under various loads and stresses to ensure they meet strength and stiffness requirements. 🔸Crashworthiness ⚠ : CAD software allows engineers to simulate crash scenarios, enabling them to evaluate how BIW components will behave during collisions. This assessment helps optimize designs to enhance occupant safety and minimize damage to the vehicle. 🔸Manufacturability 🛠 : CAD software assists in designing BIW components with manufacturability in mind. Engineers consider factors such as material selection, forming processes, tooling requirements, and assembly techniques to ensure efficient production without sacrificing quality. 🔸Cost Considerations 💸 : CAD software facilitates cost analysis throughout the design process. Engineers estimate the cost of materials, manufacturing processes, tooling, and labor to make informed decisions that meet cost targets while maintaining performance and quality standards. As for CAD software used in this process, popular options include: ✨ Autodesk AutoCAD ✨ Siemens NX ✨ Dassault Systems CATIA ✨ PTC Creo ✨ SolidWorks The standard procedure for using CAD software in this method typically involves: ☑Conceptualization 🖼 : Engineers start by conceptualizing the design of BIW components based on requirements and constraints. ☑2D Sketching 📋 : Initial sketches are created in 2D to outline the basic shapes and dimensions of the components. ☑3D Modeling 🖥 : Detailed 3D models of the components are developed, incorporating specific features and geometry. ☑Analysis and Evaluation 📈 : The models are subjected to structural analysis, crash simulations, and manufacturability assessments to ensure they meet design criteria. ☑Iterative Refinement 📊 : Based on analysis results and feedback, engineers iteratively refine the design until all requirements are met. ☑Documentation 📜 : Finalized designs are documented and prepared for production, including detailed drawings and specifications. 🚨 Stay tuned and follow for more insights into the world of automotive design. Let's drive the future, together! 🚀 #automotivedesign #biw #engineering #automotiveindustry #manufacturing #technology #mechanicalengineering #It #cardesign #conceptdesign #linkedIndaily

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rigid dynamic analysis of an actuator mechanism

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