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Boundary Conditions
Boundary Conditions available for SimSolid.
Temperature
In thermal analysis, limit temperature on the selected faces, edges, vertices, or spots to a prescribed value.
Imported Temperature for Thermal Imported Analysis
Allows importing temperature at various points of the model for various load steps.

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Boundary Conditions
Boundary Conditions available for SimSolid.
- Available Boundary Conditions for Analyses
  A comparison chart showing the available boundary conditions for each analysis type.
- Immovable Constraints
  Enforce zero translational displacements in all directions on faces, edges, vertexes, and/or spots.
- Slider Constraints
  Enforce zero displacement in normal to the surface direction on faces and areal spots.
- Hinge Constraints
  Allow free rotation about the centerline of cylindrical faces, and constrain movement in radial and axial directions.
- Spring Support
  Set an elastic foundation at selected faces.
- General Constraints
  Constrain displacement of faces, edges, vertices, or spots in Modal analysis.
- Alignment Constraints
- Cable Tightening/Rod Preload
  Apply shortening or change of length for cables/rods.
- Pressure
  Apply positive pressure towards a face or negative pressure outwards from a face.
- Force/Displacement
  Apply uniform loads and/or displacements to faces, edges, vertices, or spots.
- Gravity Load
  Simulate the force of gravity as it affects your model.
- Translational Inertia Load
  Apply a uniformly distributed translational inertia load over the volumes of the parts in an assembly.
- Rotational Inertia Load
  Apply a uniformly distributed rotational inertia load over the volumes of the parts in an assembly.
- Inertia Relief
  Simulate deformations and stresses in cases where you have an unconstrained structure to which an active load is suddenly applied.
- Remote Load
  Apply distributed loads (tractions) to faces, general virtual connector, or spots that are statistically equivalent to a load applied on a single point.
- Remote Displacement
  Apply displacements to faces and/or spots that are statistically equivalent to a load applied on a single point.
- Thermal Load
  Simulate deformations and stresses induced by the temperature changes in your model.
- Bearing Load
  Apply a varying pressure load to full or partial face(s) of revolution.
- Hydrostatic Pressure
  Define pressure exerted by a fluid at equilibrium.
- Distributed Mass
  Apply distributed mass across selected faces.
- Bolt/Nut Tightening Loads
  Available for blind bolts (bolt without a nut), bolt with nut/bolt on threaded rod, nut on generic post or handle.
- Base Excitation
- Volume Expansion/Shrinkage
  Apply volumetric expansion/shrinkage coefficient over seam welds or other parts in the assembly.
- Temperature
  In thermal analysis, limit temperature on the selected faces, edges, vertices, or spots to a prescribed value.
  - Imported Temperature for Thermal Imported Analysis
    Allows importing temperature at various points of the model for various load steps.
  - Imported Temperature for Steady-state Analysis
    Apply temperature change from an external comma separated values (.csv) file. Available only for thermal steady-state analysis.
- Thermal Convection
  In thermal analysis, define a convective heat exchange condition on faces and spots.
- Surface Heat Flux
  In thermal analysis, apply uniformly distributed heat loads to faces and spots.
- Volume Heat Loads
  In thermal analysis, simulate internal heat generation and internal heat absorption in volumes.
- Solar Loads
  Apply heat loads based on the sunbeam’s direction for thermal analysis
- Wind Loads
  Theory of wind load
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Frequently Asked Questions
This section provides quick responses to typical and frequently asked questions regarding

Imported Temperature for Thermal Imported Analysis

Allows importing temperature at various points of the model for various load steps.

In the Project Tree, open the Thermal Imported Analysis Workbench.
Browse to the desired .csv file in the File Explorer.
Click Open.
The imported loads are mapped at points specified in the .csv. The points can be mapped not just on the surface but also inside the part.

The .csv file contains one header row and one or more additional data rows. Data values are as follows.

Imported temperature .csv file format fields:

ID (optional) – Alphanumeric value. Used to identity a specific point.
X, Y and Z – Numeric values. Spatial location used to map temperature to the nearest point on a face.
Temperature1, Temperature2,…TemperatureN – Numerical value. T1, T2,…TN is also acceptable. Temperature at various load steps.

Example .csv file:

ID(optional),X,Y,Z,Temperature1,Temperature2,Temperature3
0,-10,30,0,50,60,55
1,-11,30,0,52,72,46
2,-12,30,0,44,35,64

Note: Imported file follows the input units set in SimSolid.