With the Heat Transfer Solver, you can solve thermo-elastic problems with ease by switching between heat transfer and elasticity on the fly. In StressCheck, a linear heat conduction analysis can progress to a nonlinear analysis—seamlessly.
Heat Transfer Solver
The Heat Transfer Solver supports linear, steady-state heat conduction with prescribed temperature, flux and convective boundary conditions. Also supports radiation and temperature dependent materials. Temperature-dependent material properties can be specified as a formula or as tabular data. The computed temperature distribution can be used in a very convenient way for computing the load vector for thermo-elastic problems. Simply solve the heat transfer problem, switch reference/theory selector from Heat Transfer to Elasticity, apply constraints to the model and solve.
Key Features and Advantages
- Applicable to planar, axisymmetric and three-dimensional problems
- Predict problems with linear, steady-state heat conduction with prescribed temperature, flux and convective boundary conditions.
- Radiation and temperature dependent material properties
- A thermo-elastic problem can be easily simulated by applying a Heat Transfer Analysis temperature distribution to the same mesh in elasticity as a thermal load.
- Simply select the Heat Transfer Analysis solution as a loading condition and StressCheck will automatically apply the thermal distribution to the mesh
StressCheck’s unique hierarchic modeling framework makes it easy to pass from a linear heat transfer analysis (convection) to a nonlinear heat transfer analysis (radiation). Simply apply a radiation boundary condition and use the Non-Linear Solver.
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“The addition of incremental theory of plasticity in StressCheck has greatly improved our ability to accurately predict the fatigue life of joints with interference fit fasteners and cold worked holes. This ability is especially important, not only in support of maintaining aging aircraft but also in analyzing some of the new cold working techniques that have been introduced in recent years.
Prior to this implementation, analysts often relied on closed-form approximations or simple factors that were often overly conservative and sometimes even unconservative when used in life prediction. Now, not only can we more accurately predict residual stresses in these complex structural joints, but we can also do so in a timely manner given the modeling and analysis efficiency that exists with a p-version FEA code such as StressCheck.”F-15 Structures Manager
The Boeing Company