VIRTUAL TESTING / CDS WORKBENCH
ASTM D7291 · Flatwise laminate tension
Measures tensile strength and elastic stiffness normal to the laminate plane using bonded loading blocks.
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Recorded instructional case · Workbench captures and saved calculation data, October 2026. This website preview does not run the test.
Specimen & fixture

Calculated assessment
Force magnitude (N)
Through-thickness specimen deformation (mm)
View plotted values
| Series | Through-thickness specimen deformation (mm) | Force magnitude (N) |
|---|---|---|
| Elastic specimen response | 0 | 0 |
| Elastic specimen response | 0.0020371832715762603 | 1000 |
Set up in CDS
- Link the stack and circular coupon diameter.
- Enter the through-thickness modulus Ez explicitly.
- Set tensile force and measured transverse strength.
- Review stress–strain and specimen extension.
Inputs for this recorded case
- 25 × 25 × 8 mm
- 32 plies / 8 mm
- Selected force 1000 N
- Explicit source calibration/properties
These are teaching-case inputs, not ASTM-prescribed specimen dimensions or acceptance criteria.
Response & readout
Stress magnitude (MPa)
Strain magnitude (—)
View plotted values
| Series | Strain magnitude (—) | Stress magnitude (MPa) |
|---|---|---|
| Supplied elastic constitutive law | 0 | 0 |
| Supplied elastic constitutive law | 0.00025464790894703254 | 2.0371832715762603 |
- Loaded area
- 490.9 mm²
- Tensile nominal stress
- 2.037 MPa
- Tensile strain magnitude
- 0.0002546 —
All recorded readouts
- Loaded area
- 490.9 mm²
- Tensile nominal stress
- 2.037 MPa
- Tensile strain magnitude
- 0.0002546 —
- Through-thickness specimen deformation
- 0.002037 mm
- Demand / measured strength
- 0.05093 —
- Linked specimen thickness
- 8 mm
Uniform elastic transverse tension. Bond restraint and damage growth are excluded.
About this ASTM reference
Standard Test Method for Through-Thickness “Flatwise” Tensile Strength and Elastic Modulus of a Fiber-Reinforced Polymer Matrix Composite Material
Active catalog edition checked October 10, 2026. The official standard defines the physical method; the CDS example below has a narrower modeling scope. Full procedures remain on ASTM’s site.
Find this setup in Workbench
Opens the connected guided study. Select the matching ASTM setup in the Test menu to inspect its fixture.
What this CDS case represents
Read the actual ASTM standard ↗Uniform elastic transverse tension. Bond restraint and damage growth are excluded.
This analytical or measured-data model provides its own curves and metrics. Synchronized failure playback is not supported; a mounted fixture view does not imply that contact, crack growth or impact history is solved.
Instructional model comparison, not experimental validation or ASTM certification. Physical testing requires the licensed standard and a qualified test program.
