Mahat Das

Experience

• 

  Gammon India Ltd

  Aug 2007 - Aug 2008

  Plant Junior Engineer

  Responsible for the timely allotment and maintenance of the plant and machinery

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  Mahindra Group

  Oct 2010 - Feb 2015

  Deputy Manager

  KUV1oo and Electric Verito Project• Front and rear fascia modal, frequency response and gravity simulation.• Fuel tank modal (with and without fuel), frequency response, hydrostatic 10g, internal pressure, vacuum pressure, braking 2g and cornering 1g simulation.• Exhaust system modal, thermal, frequency response and gravity loading simulation.• Rear twist beam motion view load generation to correlate the test condition.• Brake system coupled thermal displacement simulation.• Trimmed and Untrimmed BIW structure modal simulation.• Global bending and torsional simulation on untrimmed structure.• Accelerated durability testing (ADT), static durability inertia relief simulation using ADAMS load for different vehicle loading condition on trimmed body structure with fatigue simulation for both parent and spot welds.• Meshing and integration activity for plastic components, exhaust system, fuel tank, steering assembly, hood and some BIW parts. Show less

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  General Motors

  Feb 2015 - Oct 2019

  Lead CAE Engineer

  1. Front, rear and trims exterior:• Frequency extraction modal simulation for front and rear fascia with lamp, airguide, aero shutter, washer bottle with tetra water model, bumper foam, guide brackets, wheel liner, front and rear cradle, bumper beam and cut section BIW assembly to meet the performance targets.• Perceived quality simulation for fascia, front grille and lamps.• Fascia guide bracket linear stiffness simulation.• Gravity loading simulation for front, rear and trims assembly model.• Thermal/ solar loading simulation for both extreme high and low temperature for checking thermal stresses, warpage and relative displacement between exterior components for gaps and flushness.• Aero loading and water trough simulation for assessing stress and displacement under high speed and water ditching event.• AIP/service panel stiffness and its seal stiffness simulation using hyperelastic models.• Head lamp aim adjustment and tab deflection simulation for assessing pre-stress assembly condition.2. Body structure loadcase:• Body structure and trimmed body structure modal simulation for assessing overall body performance.• Global static torsional stiffness simulation using pure torsional method.• Body structure static durability simulation using inertia relief loadcase for both parent metal and spot welds.• Trimmed body transient fatigue analysis using linear dynamic superposition for both parent metal and spot welds which utilizes modal stresses to create transient stress histories.• Trailer hitch durability simulation using European duty cycle.• Modal or random vibration frequency response simulation of electronic sensors and diagnostic module.• Tire patch stiffness simulation.• Roof and Quarter panel oil caning nonlinear static simulation.• Non parametric or parametric optimization using HYPERSTUDY for optimizing multiple body structure loadcases. Show less

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  Tata Consultancy Services

  Oct 2019 - now

  Associate Consultant

  cae body structure and durability