A linear three elements model,a nonlinear three elements model with a nonlinear spring and a Eyring model can describe the stress relaxation of flexible composite materials.

• 对篷盖类经编双轴向及机织柔性复合材料应力松弛性能的研究表明:可以采用标准线性三元件和并联一个非线性弹簧的三元件力学模型以及欧林模型对织物的应力松弛性能进行模拟。