Multiphysics cae
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Atoa Scientific Technologies specializes in multiphysics CAE (Computer-Aided Engineering) aimed at accelerating engineering innovation through simulation-based product design. The document outlines the importance of multiphysics modeling, highlighting its applications in various engineering fields to optimize performance, cost, and development cycles. It emphasizes the collaborative nature of modern engineering, integrating materials science and multiphysics principles to create advanced designs.
Multiphysics cae
- 1. ATOA Scientific Technologies | Multiphysics CAE | Engineering Apps | 3D printing Dr Raj C Thiagarajan ATOA Scientific Technologies Pvt Ltd Multiphysics CAE for Engineering Innovation
- 2. ATOA Scientific Technologies | Confidential | | 2 Why are we here? • Mythology • Theologist • Philosopher • Scientist – Physics, Chemistry, Biology, Mathematics…. • Engineers – Civil, Mechanical, Electrical, Chemical… • Multidisciplinary – Nano, Bio, Info, Cognitive • Multiphysics CAE for Engineering Innovation
- 3. ATOA Scientific Technologies | Confidential | | 3 Engineering Innovations • Shelter, Tools, Pottery, Textile.. • Wheel • Arch Bridge • Gun powder • Mariners Compass • Paper Making • Printing Press • New paper • Arc lamp, Stem locomotive, Automobiles • Polymer: Jet Engine: Composites: www: • Mobile Phones : 3D printing
- 4. ATOA Scientific Technologies | Confidential | | 4 Industrial Engineering Innovation Cycle 4 • Wealth creation cycle • Contributions for overall economic growth • Long cycle and low Success Rate • Simulation based product design for acceleration of Engineering innovation Basic Research Applied Research Industrial Research Innovation/ Product development Commercia lization Wealth Creation ACADEMICINDUSTRY
- 5. ATOA Scientific Technologies | Confidential | | 5 Simulation Based Product Design 5 • Simulation is considered third pillar of Science & Technology • Simulations has No Cost constraints, harsh/unrealistic parameter range, EHS concerns. • Reliable, efficient and affordability is the key driver for Concurrent Product Development and Innovation
- 6. ATOA Scientific Technologies | Confidential | | 6 Design Change Cost in product development • Cost of fixing = Stages X Times • Cost of Design changes increases exponentially with product development cycle. • 80% of the product cost is determined or committed at the concept design stage • Management influence reduces over time • CAE for first time right product development Product Planning Concept Design Final Design Pilot Production Mass production HIGH Low Activity,InfluenceIndex, DesignchangeCost NPI Activity @ Part 1X @ Sub assembly 10 X @ Final Assembly 100 X @ Dealer 1000 X @ Customer 10000 X 6
- 7. ATOA Scientific Technologies | Confidential | | 7 CAE for Engineering Innovation 7 Engineering Innovation Multiscale Multiphysics Multimaterial Engineering is Conversion of Material into Useful Product Industrial Drivers: Cost, Weight and Performance CAX (CAD, CAE, CAM) product development for first time right Multiphysics, Multimaterial and Multiscale for Innovative Design
- 8. ATOA Scientific Technologies | Confidential | | 88 Multiphysics
- 9. ATOA Scientific Technologies | Confidential | | 9 Multiphysics Modeling 9 • Product Design is Multiphysics but are Designed for Dominant Physics • Technology adaptation trend vs industry • Current Technology and maturity level Enables Affordable and Reliable Multiphysics Product Design • Multiphysics Design for First time right cost effective, faster product development.
- 10. ATOA Scientific Technologies | Confidential | | 10 Multiphysics Modeling 10 Constitutes more than one component with governing equation. • Coupling at Bulk, interface level: – Magneto hydrodynamics , Reaction transport – Fluid structure, aero elasticity, laser heating • Coupling at time and length Scale (multiscale): – atomistic to continuum Damage mechanics • Coupling at Material Scale (multimaterial): – Homogenization from nano, micro, macro
- 11. ATOA Scientific Technologies | Confidential | | 11 Multiphysics Examples Multiphysics Structural Thermal Flow Acoustics Dynamics EM/Optics Chemical Bio-Medical Particle Industrial Examples Aero elasticity Aircraft wing, wind turbine, helicopter blades, micro turbines, long bridges, Fluid Structure Offshore foundations, Sloshing, actuators, compressors, Induction Conjugate Heat transfer Racing car, offshore pipes. Gas turbine, forming, welding, electronic packaging, NVH, aero acoustics Acoustic panels, sound barrier, sonar, Automobile, aero engine, speakers Chemical Transport Composite cure, reactive polymer flow, adhesive, Biomedical Biomechanics BioCAE Medical Imaging, Orthosis, prosthesis, ergonomics, Medical Therapy. Piezo, thermo electricity Ultrasonic probe, MEMS sensors, TE refrigeration, Electrical connectors. Electromagnetic Heating Non conventional / Non Conduction heating: Laser, RF, Microwave Battery Physics Solid Oxide, Lithium , Fuel Cell, Battery powered automobile
- 12. ATOA Scientific Technologies | Confidential | | 12 Multiphysics Design: Stethoscope 12 • Acoustics Performance improvement • Sound propagation • Noise effects • Material, Geometry • Electromagnetic, electrostatic => acoustical energy
- 13. ATOA Scientific Technologies | Confidential | | 13 Multiphysics Design: Chest Belt 13 • Bio electrical signal propagation in cardiac tissue using the FitzHugh-Nagumo equations and the Complex Ginzburg-Landau equations. • Electromagnetic physics to model the electrical field distribution on a realistic 3D geometric model of the heart and torso. • Inverse problem solving for smart chest belt.
- 14. ATOA Scientific Technologies | Confidential | | 1414 Multimaterial
- 15. ATOA Scientific Technologies | Confidential | | 15 Composites Multi Material Advanced Materials Noble Aluminum Steel Multimaterial Product Design 15 • From “ All steel” , “All Aluminum ” All Composites” To Multimaterial • Leverage the best of material for product performance. • Challenges • Fabrication • Multiphysics • Multifunctional High COST Low HighWEIGHTLow Performance: High
- 16. ATOA Scientific Technologies | Confidential | | 16 Multiphysics Design of Materials Structural Elastic constants Super structural Thermal Thermal conductivity Superinsulation Electromagnetic permeability and permittivity Metamaterials Acoustic Sound transmission loss Acoustic bandgaps Transport Diffusion Permeability Super flow Design Extremel
- 17. ATOA Scientific Technologies | Confidential | | 17 Multiphysics Design of Materials Physics Governing Eqs* Constitute Eqs* Comments Structural Static:, Navier’s equation, Hooke’s law for stress strain relation. F, volume forces, σ,stress tensor, e, strain tensor, D, stiffness matrix Thermal Heat Equation, Fourier’s law: ρ,density. Cp, heat capacity, k, thermal conductivity, Q,heat source. Acoustic Helmholtz eq: ω, angular freq, ρ0, fluid density, cs, speed of sound, q, source, Dtl, transmission-loss coefficient, Wi, incident and Wt is the transmitted sound power. Diffusion Fick’s law, Diffusion Coeff. c is the concentration, D is the diffusion coefficient, and R is a reaction rate Porous flow Darcy’s law, Permeability, : v, velocity, μ, dynamic viscosity, K, permeability and P, Pressure.P xv K * Equations from COMSOL documentation c N Deff ave
- 18. ATOA Scientific Technologies | Confidential | | 18 Metamaterial Simulation Results 18 Acoustic Super lens Ultrasonic Meta Surfaces Composite cloaks Electrostatic resonance Negative refraction
- 19. ATOA Scientific Technologies | Confidential | | 1919 Multiscale
- 20. ATOA Scientific Technologies | Confidential | | 20 Multiscale Modeling • Multiscale model is a mathematical model formed by combining partial model at different length and time scales. • Away from predicting known properties towards new materials with novel properties. • Products engineered from Atomic scale Multi scale modeling Framework
- 21. ATOA Scientific Technologies | Confidential | | 21 Multiscale: damage mechanism 21 Structure Part Laminate Fiber Matrix Molecular ATOMIC 0.3345 nm 0.142 nm 0.669 nm c ba
- 22. ATOA Scientific Technologies | Confidential | | 2222 Multi example
- 23. ATOA Scientific Technologies | Confidential | | 23 Nano Foam 23 Engineers Quest is to develop materials with higher properties at lower weight Simulation based material design for superior properties • Super specific stiffness • Super insulation Nano Micro Macro After US 7838108 VfNormalizedProperty Air Material 2
- 24. ATOA Scientific Technologies | Confidential | | 24 Multiscale Modeling Super Structural 24 • Engineer the pore size for superior properties • Example: Tooth enamel: Bio polymer+ mineral fillers • Defect insensitive pore size • Nano to micro to macro properties
- 25. ATOA Scientific Technologies | Confidential | | 25 Multiscale Modeling Super Insulation 25 • Nanogel/ Aerogel : Thermal conductivity lower than still air to about 0.002 W/mK • Nanoscale Knudsen effect, Phonon scattering • Conduction, convection and Radiation = k • U value for Fenestration product performance • Building Thermal Simulation for annual Energy and Cost Saving (From:http://www.ameriluxinternational.com/html/archite ctData/nanogel/documents/nanogelData.pdf) 2 pm
- 26. ATOA Scientific Technologies | Confidential | | 26 Multiphysics Modelling CAD Structural Elastic constants Super structural Thermal Thermal conductivity Superinsulation Electromagnetic permeability and permittivity Metamaterials Acoustic Sound transmission loss Acoustic bandgaps Transport Diffusion Permeability Super flow CAM CAE 3DPRINTING
- 27. ATOA Scientific Technologies | Confidential | | 2727 Fore more about Multiphysics CAE Visit: www.atoa.com