When anti?analyzing the nonlinear elastic model of geotechnical medium, people usually use Duncan?Chang model. In this model,there are eight parameters relative to elastic modulus and Poisson ratio.

• 在岩土介质非线性弹性模型的反演分析中,通常采用邓肯-张模型,这一模型中与弹性模量和泊松比有关的参数有8个。