# Strain Results Written in Nastran .op2 and .pch Formats

## Static Loadcases

### 1D Elements

CROD Axial Strain

CELAS Strain

CBAR SA1

CBAR SA2

CBAR SA3

CBAR SA4

CBAR Axial

CBAR SA-maximum

CBAR SA-minimum

CBAR SB1

CBAR SB2

CBAR SB3

CBAR SB4

CBAR SB-maximum

CBAR SB-minimum

CBEAM Long Strain at Point C1

CBEAM Long Strain at Point D1

CBEAM Long Strain at Point E1

CBEAM Long Strain at Point F1

CBEAM Maximum Strain1

CBEAM Minimum Strain1

CBEAM Long Strain at Point C2

CBEAM Long Strain at Point D2

CBEAM Long Strain at Point E2

CBEAM Long Strain at Point F2

CBEAM Maximum Strain2

CBEAM Minimum Strain2

CWELD Axial Strain

CWELD Maximum Strain A

CWELD Minimum Strain A

CWELD Maximum Strain B

CWELD Minimum Strain B

CWELD Maximum Shear Strain

### 2D Elements

Fibre Distance (Z1)

Normal XX Strain (Z1)

Normal YY Strain (Z1)

Shear XY Strain (Z1)

Principal Strain Angle (Z1)

Major Principal Strain (Z1)

Minor Principal Strain (Z1)

von Mises Strain (Z1)

Fibre Distance (Z2)

Normal XX Strain (Z2)

Normal YY Strain (Z2)

Shear XY Strain (Z2)

Principal Strain Angle (Z2)

Major Principal Strain (Z2)

Minor Principal Strain (Z2)

von Mises Strain (Z2)

### 3D Elements

Normal XX Strain

Shear XY Strain

Major Principal Strain

Major Principal X Cosine

Mid Principal X Cosine

Minor Principal X Cosine

Mean Strain

von Mises Strain

Normal YY Strain

Shear YZ Strain

Mid Principal Strain

Major Principal Y Cosine

Mid Principal Y Cosine

Minor Principal Y Cosine

Normal ZZ Strain

Shear XZ Strain

Minor principal Strain

Major Principal Y Cosine

Mid Principal Y Cosine

Minor Principal Y Cosine

## Transient and Multibody Loadcases

### 1D elements

CROD Axial Strain

CELAS Strain

CBAR SA1

CBAR SA2

CBAR SA3

CBAR SA4

CBAR Axial

CBAR SA-maximum

CBAR SA-minimum

CBAR SB1

CBAR SB2

CBAR SB3

CBAR SB4

CBAR SB-maximum

CBAR SB-minimum

CBEAM Long Strain at Point C1

CBEAM Long Strain at Point D1

CBEAM Long Strain at Point E1

CBEAM Long Strain at Point F1

CBEAM Maximum Strain1

CBEAM Minimum Strain1

CBEAM Long Strain at Point C2

CBEAM Long Strain at Point D2

CBEAM Long Strain at Point E2

CBEAM Long Strain at Point F2

CBEAM Maximum Strain2

CBEAM Minimum Strain2

### 2D Elements

Fibre Distance (Z1)

Normal XX Strain (Z1)

Normal YY Strain (Z1)

Shear XY Strain (Z1)

Principal Strain Angle (Z1)

Major Principal Strain (Z1)

Minor Principal Strain (Z1)

von Mises Strain (Z1)

Fibre Distance (Z2)

Normal XX Strain (Z2)

Normal YY Strain (Z2)

Shear XY Strain (Z2)

Principal Strain Angle (Z2)

Major Principal Strain (Z2)

Minor Principal Strain (Z2)

von Mises Strain (Z2)

### 3D Elements

Normal XX Strain

Shear XY Strain

Major Principal Strain

Major Principal X Cosine

Mid Principal X Cosine

Minor Principal X Cosine

Mean Strain

von Mises Strain

Normal YY Strain

Shear YZ Strain

Mid Principal Strain

Major Principal Y Cosine

Mid Principal Y Cosine

Minor Principal Y Cosine

Normal ZZ Strain

Shear XZ Strain

Minor principal Strain

Major Principal Y Cosine

Mid Principal Y Cosine

Minor Principal Y Cosine

## Eigenvalue Loadcases

### 1D Elements

None.

### 2D Elements

Fibre Distance (Z1)

Normal XX Strain (Z1)

Normal YY Strain (Z1)

Shear XY Strain (Z1)

Principal Strain Angle (Z1)

Major Principal Strain (Z1)

Minor Principal Strain (Z1)

von Mises Strain (Z1)

Fibre Distance (Z2)

Normal XX Strain (Z2)

Normal YY Strain (Z2)

Shear XY Strain (Z2)

Principal Strain Angle (Z2)

Major Principal Strain (Z2)

Minor Principal Strain (Z2)

von Mises Strain (Z2)

### 3D Elements

Normal XX Strain

Shear XY Strain

Major Principal Strain

Major Principal X Cosine

Mid Principal X Cosine

Minor Principal X Cosine

Mean Strain

von Mises Strain

Normal YY Strain

Shear YZ Strain

Mid Principal Strain

Major Principal Y Cosine

Mid Principal Y Cosine

Minor Principal Y Cosine

Normal ZZ Strain

Shear XZ Strain

Minor principal Strain

Major Principal Y Cosine

Mid Principal Y Cosine

Minor Principal Y Cosine

## Frequency Response Loadcases

### 1D Elements

CROD Axial Strain

CELAS Strain

CBAR SA1

CBAR SA2

CBAR SA3

CBAR SA4

CBAR Axial

CBAR SA-maximum

CBAR SA-minimum

CBAR SB1

CBAR SB2

CBAR SB3

CBAR SB4

CBAR SB-maximum

CBAR SB-minimum

CBEAM Long Strain at Point C1

CBEAM Long Strain at Point D1

CBEAM Long Strain at Point E1

CBEAM Long Strain at Point F1

CBEAM Maximum Strain1

CBEAM Minimum Strain1

CBEAM Long Strain at Point C2

CBEAM Long Strain at Point D2

CBEAM Long Strain at Point E2

CBEAM Long Strain at Point F2

CBEAM Maximum Strain2

CBEAM Minimum Strain2

### 2D Elements

Fibre Distance (Z1)

Normal XX Strain (real) (Z1)

Normal XX Strain (imag) (Z1)

Normal YY Strain (real) (Z1)

Normal YY Strain (imag) (Z1)

Shear XY Strain (real) (Z1)

Shear XY Strain (imag) (Z1)

Fibre Distance (Z2)

Normal XX Strain (real) (Z2)

Normal XX Strain (imag) (Z2)

Normal YY Strain (real) (Z2)

Normal YY Strain (imag) (Z2)

Shear XY Strain (real) (Z2)

Shear XY Strain (imag) (Z2)

### 3D Elements

Normal XX Strain (real)

Normal YY Strain (real)

Normal ZZ Strain (real)

Shear XY Strain (real)

Shear YZ Strain (real)

Shear XZ Strain (real)

Normal XX Strain (imag)

Normal YY Strain (imag)

Normal ZZ Strain (imag)

Shear XY Strain (imag)

Shear YZ Strain (imag)

Shear XZ Strain (imag)

### Comments

- The order above reflects the contents of the OP2 file, but post-processors such as HyperView may display results in a different manner.