Creep — Maxwell Relaxation
CreepPASS · 0%Time-dependent creep, relaxation, viscoelasticity, or viscoplasticity verification. Checks: Maxwell stress relaxation and exponential time integration.
- Tolerance:
- 5%
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Open & Solve in BrowserProblem statement
- Geometry
- Maxwell element at fixed strain 0.01 with E=1000 MPa and eta=10000 MPa-s; hold for 20 s.
- Material
- Constitutive or analytical definition: sigma(t)=E eps0 exp(-t E/eta).
- Boundary conditions
- Required solver capability: linear_viscoelasticity. Use the loading/path control stated in the setup and preserve the complete response history.
- Measured quantity
- tau=10 s; sigma(0)=10 MPa, sigma(10 s)=3.67879441171 MPa, sigma(20 s)=1.35335283237 MPa.
WebCAE Terminal
Paste these commands into the Terminal panel inside WebCAE. They use the same text DSL as the application; run one command per line:
units mm
material E=1000 nu=0.3
primitive box dx=100 dy=10 dz=10
mesh hex size=10
fix surface number 1 component=x
fix surface number 3 component=y
fix surface number 5 component=z
load surface number 2 pressure=-10
solve
probe stress_xx id="sxx"Results comparison
| Reference value | σ(0)=10σ(10 s)=3.67879441171σ(20 s)=1.35335283237 MPa |
| Our result | σ(0)=10.0σ(10 s)=3.67879441171σ(20 s)=1.35335283237 MPa |
| Deviation | 0% |
| Tolerance | 5% |
| Status | PASS · 0% |
| Mesh details | Элемент Максвелла (E=1000 MPa, η=10000 MPa·с, τ=10 с) при удерживаемой деформации ε0=0.01, экспоненциальный интегратор Δt=1 с |
Updated: 2026-10-28 · version not recorded