Theory Manual Version 3.4
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Section 3.3: Weak Formulation for Biphasic-Solute Materials Up Section 3.3: Weak Formulation for Biphasic-Solute Materials Subsubsection 3.3.1.1: Linearization along

### 3.3.1 Linearization of Internal Virtual Work

The virtual work integral in (3.3-5) may be linearized term by term along increments in , and using the general form For notational simplicity, the integral sign is omitted and the linearization of each term is presented in the form .
Section 3.3: Weak Formulation for Biphasic-Solute Materials Up Section 3.3: Weak Formulation for Biphasic-Solute Materials Subsubsection 3.3.1.1: Linearization along