Types Of Finite Element Analysis | Finite Element Analysis Capabilities | Finite Element Analysis Engineering Services

Linear Static Stress Analysis

01-linear static stress analysis-factor of safety calculation - roll spring carrier-study

  • Factor of Safety Calculation
  • Part & Assembly Stress Analysis
  • Deflection Calculations
  • Correlation to Measurements of Deflections and Strains
  • Contact Stress Computation
  • Super-position of Thermal Stresses
  • Stiffness Calculations to achieve stated Targets

Frequency & Buckling Analysis

01-frequency analysis-buckling analysis-rotor dynamics-correlation to measured data-computation of frequencies

  • Computation of Frequencies & Mode Shapes
  • Modal Assurance Criteria (MAC)
  • Correlation to Measured data
  • Buckling Calculations for axially loaded members
  • Critical Speed Calculations
  • Campbell Diagram for Rotor-dynamics
  • Point Mobility Analysis

Dynamic Analysis

01-SolidWorks Simulation-dynamic analysis-random vibration analysis-shock calculations

  • Frequency Response Analysis
  • Seismic Analysis Response Calculations
  • Harmonic Analysis
  • Random Vibration Calculations
  • Dynamic Stress Computations
  • Power Train Vibration Analysis
  • Shock Calculations per NAVSEA, DDAM, MIL STD

Non-Linear Analysis

01-linear analysis-non linear analysis-non linear dynamic analysis-thermo mechanical analysis-time domain response analysis

  • Material Non-linear Analysis
  • Geometric Non-linear Analysis
  • FEA of Rubber & Elastomers
  • Non-linear Dynamic Analysis
  • Time Domain Response Analysis
  • Impact Analysis
  • Thermo-mechanical Analysis involving large displacements
  • Elasto-plastic Deformation Analysis

Analysis of Composites

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  • Failure mode prediction of Composite panels
  • Filament Wound Composite – Anisotropic material modeling
  • Random Fiber Composites
  • Stiffness, Deflection and Critical Load calculation of Composite Structures
  • Metal Matrix Composites – Thermo mechanical Analyses

Thermal Analysis

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  • Thermal Stress Analysis of parts and assemblies
  • Transient Thermal Analysis
  • Thermo-mechanical Analysis
  • Coupled Thermo-fluid analysis
  • Natural and Forced Convection Analysis
  • Non-Linear Thermal analysis of curing processes
  • Creep Analysis

Fatigue Analysis

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  • Remaining Life Analysis ( RLA )
  • Durability Analysis
  • Failure Prediction Analysis
  • High Cycle Fatigue Calculations
  • Correlation to Real-world situations
  • Comparison of Alternate materials for extended life and warranty
  • Life extension analysis

CFD Fluid Flow Analysis

01-CFD-Fluid Flow analysis-Computational fluid flow-pressure drop calculations-wind load analysis-aerodynamics analysis-fluid flow simulation

  • Pressure Drop Calculations
  • Conjugate Heat Transfer Analysis
  • Electronic Cooling Analysis
  • Thermal Efficiency Calculations
  • Fluid Flow simulation in Devices such as pumps, valves, ducts, piping networks, fans, diffusers, cyclones, blowers, heat exchangers
  • Design optimization based on performance prediction

ASME Stress Analysis

01-ASME Static Structural Analysis-animation-stress intensity calculations

  • Stress Analysis per ASME Codes
  • Nozzle stress analysis
  • Stress Intensity Calculations
  • Shell & Full Scale 3D Stress Analysis of Pressure Vessels among others

Design Optimization

01-design optimization-weight reduction analysis-optimization of design variables-sensitivity based optimization

  • Optimization of CAD Geometries
  • Weight Reduction Analysis
  • Value Addition & Value Engineering Analysis
  • Sensitivity Based Optimization
  • Optimization of design variables based on performance targets

Aerodynamics | CFD Aerodynamic Analysis | Aerodynamics Concepts | Aerodynamics Introduction

01-cfd_thermal_analysis_wind_loads-calculation-wind analysis in high rise structure-architectural analysis

Aerodynamics is the way air moves around things. The rules of aerodynamics explain how an airplane is able to fly. Anything that moves through air reacts to aerodynamics. A rocket blasting off the launch pad and a kite in the sky react to aerodynamics. Aerodynamics even acts on cars, since air flows around cars.

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Aerodynamics is a common application of CFD. CFD allows the steady-state and transient aerodynamics of HVAC systems, vehicles, aircraft, buildings, structures, wings and rotors to be computed with extremely high levels of accuracy.  System properties such as mass flow rates and pressure drops and fluid dynamic forces such as lift, drag and pitching moment can be readily calculated in addition to the wake effects.  This data can be used directly for design purposes or as in input to a detailed stress analysis.

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CFD analysis offers the ability to conduct comprehensive, automated, multi-point optimization of designs.  This process allows engineers to automatically optimize a design to a given set of performance parameters and can be used to minimize drag, or maximize mass flow or lift forces to given targets.

Subsonic aerodynamics

In a subsonic aerodynamic problem, all of the flow speeds are less than the speed of sound. This class of problems encompasses nearly all internal aerodynamic problems, as well as external aerodynamics for general aviation aircraft, model aircraft, and automobiles.

In solving a subsonic problem, one decision to be made by the aerodynamicist is whether or not to incorporate the effects of compressibility. Compressibility is a description of the amount of change of density in the problem. When the effects of compressibility on the solution are small, the aerodynamicist may choose to assume that density is constant. The problem is then an incompressible problem. When the density is allowed to vary, the problem is called a compressible problem. In air, compressibility effects can be ignored when the Mach number in the flow does not exceed 0.3. Above 0.3, the problem should be solved using compressible aerodynamics.

Transonic aerodynamics

Transonic aerodynamic problems are defined as problems in which both supersonic and subsonic flow exist. Normally the term is reserved for problems in which the characteristic Mach number is very close to one.

Transonic flows are characterized by shock waves and expansion waves. A shock wave or expansion waves is a region of very large changes in the flow properties. In fact, the properties change so quickly they are nearly discontinuous across the waves. Flow ahead of a shock wave is supersonic; flow behind a shock wave is subsonic.

Transonic problems are arguably the most difficult to solve. Flows behave very differently at subsonic and supersonic speeds, therefore a problem involving both types is more complex than one in which the flow is either purely subsonic or purely supersonic.

Supersonic aerodynamics

Supersonic aerodynamic problems are those involving flow speeds greater than the speed of sound. Calculating the lift on the Concorde can be an example of a supersonic aerodynamic problem.

Supersonic flow behaves very differently from subsonic flow. The speed of sound can be considered the fastest speed that "information" can travel in the flow. Gas travelling at subsonic speed diverts around a body before striking it, it can be said to "know" that the body is there. Air cannot divert around a body when it is travelling at supersonic speeds. It continues to travel in a straight line until it reaches a shock wave and decelerates to subsonic speeds. Mathematically, supersonic flow is described by a hyperbolic partial differential equation while subsonic flow is described by an elliptic partial differential equation.

Another example of the difference between supersonic and subsonic flow is the behaviour in a convergent duct (known as a nozzle in subsonic flow and a diffuser in supersonic flow). Subsonic flow in a convergent duct accelerates and supersonic flow decelerates.

Hypersonic aerodynamics

Hypersonic aerodynamics are characterized by viscous interaction phenomena, that is, the viscosity of the flow significantly affects the external flow, including shock waves. The curved shock waves chemically alter the surrounding air or gas, creating a partially ionized plasma with their high temperatures (caused in part by significant aerodynamic heating of the body). "Hypersonic" is typically considered to refer to the Mach 5 and faster region of aircraft speed; however, some hypersonic phenomena can exist at speeds as low as Mach 3 (depending on the aircraft and the environment).

Typical applications include:

  • Building & Structure Wind Loading
  • Vortex Shedding
  • External Aerodynamics of Vehicles
  • Fan, Wing and Rotor Design
  • HVAC Applications
  • Airborne Particle Transport