The pressure analysis of rolling strip with multi-pole BEM

For multi-object contact problem in rolling engineering which involves coupling deformation,the accuracy of disaggregate mathematical method is low.The paper developed multi-object,plastoelastic and frictional contact multipole BEM and simulated the process of four-roll rolling strip without artifical asumpation.The rolling-pressure distribution laws of CR strip have been got through the program.The result offers proof for improving strip quality.