Theory Manual Version 3.4
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Subsection 5.12.1: Uniaxial Active Contraction Up Section 5.12: Prescribed Active Contraction Subsection 5.12.3: Isotropic Active Contraction

### 5.12.2 Transversely Isotropic Active Contraction

In this case, the active stress is isotropic in a plane transverse to the direction , and the corresponding Cauchy stress is where is the left Cauchy-Green tensor. The material and spatial tangents are zero.
Subsection 5.12.1: Uniaxial Active Contraction Up Section 5.12: Prescribed Active Contraction Subsection 5.12.3: Isotropic Active Contraction