[smn]

hi:
i 'm using the fsi modeling capability of ansys 11 to model a blood vessel.i use the appropriate material property of the artery E=4.e6 pa and poisson=0.45 and density=1062kg/m3...unfortunately the following error appears in the first itterations :"one or more elements become highle distorted..." and when i post-process the unconverged ansys result i note that the high distortion is due to material properties,i mean that it works correctly for other materials such as steel or...
would you please help me ?!i really need your help