下肢-织物动态压力的数值模拟研究  

Numerical Simulation of Dynamic Pressure Between Lower Limbs and Fabric

作　　者：赖燕珠 谢红[1] Lai Yanzhu;Xie Hong(School of Textiles and Fashion,Shanghai University of Engineering Science,Shanghai 201620,China)

机构地区：[1]上海工程技术大学纺织服装学院,上海201620

出　　处：《针织工业》2025年第3期51-55,共5页Knitting Industries

基　　金：国家重点研发计划主动健康和老龄化科技应对重点专项(2018YFC2000900)。

摘　　要：为了提高弹性织物在智能可穿戴、医疗康复、体育运动等领域的舒适性及功能性,研究采用数值模拟法模拟织物穿套下肢的动态过程以及着服下肢的动态屈曲过程,预测下肢与织物间的动态压力大小及分布情况。首先采用试验法获得织物的弹性模量、密度、泊松比及厚度参数;其次通过逆向工程软件建立下肢模型及织物模型,装配得到下肢-织物有限元模型,并使用AMI压力传感器测量下肢与织物间的接触压力,与模拟值进行比较、分析;最后,通过施加边界条件及载荷模拟下肢的动态过程。结果表明:下肢-织物有限元模型具有有效性,可以用于下肢与织物间动态压力的预测。In order to improve the comfort and functionality of elastic fabric in smart wearable,medical rehabili-tation,sports and other fields,this study uses numerical simulation method to simulate the dynamic process of fab-ric piercing lower limbs and the dynamic flexion process of lower limbs dressed clothing,and predicts the dynamic pressure and distribution between lower limbs and fabric.Firstly,the elastic modulus,density,Poisson's ratio and thickness parameters of the fabric are obtained by experiment.Secondly,lower limbs model and fabric model are established by reverse engineering software,and the lower limbs-fabric finite element model is assembled.The contact pressure between the lower limbs and the fabric is measured by using the AMI pressure sensor,and then compared with the simulation value.Finally,the dynamic process of the lower limbs is simulated by applying boundary condi-tions and loads.The results show that the finite element model of lower limbs and fabric is effective,which can be used to predict the dynamic pressure between lower limbs and fabric.

关 键 词：弹性织物 下肢 动态压力 数值模拟 有限元分析 

分 类 号：TS941.17[轻工技术与工程—服装设计与工程]