2. Finite Element Model

OpenBrIM performs 3D static finite element analysis on structure models with specified information shown below:

A. Materials and Section (Analytical Properties)

1. Material Object

2. Section Object

B. Finite Elements (Analytical Geometry)

1. Node Object

2. FELine Object

3. FESurface Object

C. Loading Conditions (Analysis Loads)

1. AnalysisCase Object

2. NodeLoad Object

3. Combination and CombinationItem Objects

If the above information are defined, the following functions in the project can be used as part of the expressions.

A. Nodal Displacement Functions

1. dispTx(LC, NODE)

2. dispTy(LC, NODE)

3. dispTz(LC, NODE)

4. dispRx(LC, NODE)

5. dispRy(LC, NODE)

6. dispRz(LC, NODE)

B. Nodal Reaction Functions

1. forceFx(LC, NODE)

2. forceFy(LC, NODE)

3. forceFz(LC, NODE)

4. forceMx(LC, NODE)

5. forceMy(LC, NODE)

6. forceMz(LC, NODE)

C. Element (Local) Force Functions

1. forceFx(LC, ELEM,NODE_INDEX)

2. forceFy(LC, ELEM,NODE_INDEX)

3. forceFz(LC, ELEM,NODE_INDEX)

4. forceMx(LC, ELEM,NODE_INDEX)

5. forceMy(LC, ELEM,NODE_INDEX)

6. forceMz(LC, ELEM,NODE_INDEX)