基于生态竞争模型的岩土本构模型辨识新算法

为了进行模型类间辨识及参数反演 ,基于分子生物学原理 ,模拟自然界多物种竞争的现象 ,以更能反应生物进化本质的进化规划为框架 ,提出了一种模拟生态竞争模型。在此基础上进行了岩土本构模型类间辨识及参数反演的研究 ,提出了一种模型辨识新算法 ,初步解决了从一组模型类中抉择最佳模型并同时反演参数的问题。最后 ,用一个简单算例证明了该算法是可行和有效的。

An new algorithm for identification of geomaterial model based on an ecological competition model

In this study, in order to identify the geomaterial model in many model types and the parameters simultaneously, an Ecological Competition Model (ECM) is proposed from the Evolutionary Programming (EP) which can reflect the essence of the natural evolution. This evolutionary model which comes from the principles of the molecular biology can simulate the competition among species. Through using this ECM to identify the geomaterial model in many model types, a new algorithm for geomaterial model identification is proposed, and the problem of selecting an optimal geomaterial model from a group of models and identifying the parameters at the same time is solved preliminarily. At last, this algorithm is verified by a simple example.