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Multiphysics Analysis

Veryst regularly performs multiphysics analyses in a large number of industries. Multiphysics involves the analysis of multiple, simultaneous physical phenomena. These simultaneous phenomena can include heat transfer, fluid flow, deformation, electromagnetics, acoustics, and mass transport. Despite the complexity involved in the coupling, multiphysics is essential for many applications where the traditional single-physics analyses are inadequate to account for the simultaneity of real events and processes. 

Multiphysics collage



Veryst’s consultants employ grounded knowledge of computational methods, mechanics and physics to provide practical multiphysics solutions. Veryst is a COMSOL Certified Consultant, and we use COMSOL Multiphysics in a wide variety of applications and industries.

Multiphysics Expertise

Veryst examples of multiphysics analysis include:

Fluid-Structure Interaction (FSI)
Fluid-structure interaction refers to analyses involving fluid flow and solid deformation. Depending on the problem, the interaction may be along a shared boundary or internal to the structure as in the case of poroelasticity. In addition to the solid and fluid deformation, FSI requires handling a moving mesh.


Axisymmetric Heart Valve Model

Thermal-Structure Coupling
Thermal-structure coupling involves simultaneous heat transfer and stress or deformation analysis.  Heat transfer can include radiation, conduction, and convection, and the stress analysis can involve nonlinear processes such as contact, non-linear materials, and large deformations.

Thermal-Structural Analysis of Seal

Thermal-Structural Analysis of Teflon Seal

Structural-Acoustic Interaction 
Simulating the vibration response of coupled fluid-structure problems involving small deformations is best performed by modeling the fluid using a pressure acoustic or a linearized Navier-Stokes formulation. This enables frequency domain and eigenvalue analyses, and more efficient time-domain analysis. Typical applications include vibration analysis of acoustic devices such MEMS transducers and hearing aids, and vehicle noise and vibration analysis.

 Structural-Acoustics of Immersed Beam

Structural-Acoustic Analysis of
Immersed Beam


Non-isothermal Flows

Modeling convective flow requires coupling fluid-flow with heat transfer. The coupled processes can be very complex, particularly if the fluid flow includes turbulence, or if the heat transfer involves processes such as boiling, evaporation, or mixed fluids with varying thermal properties.

Thermal CFD of LED Bulb

Thermal CFD Analysis of LED Bulb 

Electromagnetic-Structural Coupling 
Forces on structures resulting from an electromagnetic field require accurate evaluation of the electromagnetic field and the structural deformation. Two common forms are electrostatic forces, for example in MEMS switches, and magnetostatic forces, for example in solenoids and motors.

 Multiphysics Analysis of of Solenoid Actuator

Structural-Electromagnetic Analysis of
Solenoid Actuator

Electromagnetic Heating
Heat generated from electric and/or magnetic fields can be highly nonlinear. Processes governing electromagnetic heating include Joule heating where the permittivity and conductivity can be temperature-dependent and resistive heating in conductive materials due to the generation of eddy currents.

Multiphysics Analysis of Calrod

Analysis of Calrod

Individual Physics Expertise

Veryst Engineering also has extensive expertise in modeling and simulation of the following single physics fields:


  Fluid Flow  
  Species Transport  

  Structural Mechanics
  Thermal Analysis
  Low Frequency Electromagnetics

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