Nodal integration however , suffers from numerical instability due to underestimation of strain energy associated with short - wavelength modes .
Nodal integration however , also yields inaccurate and non-convergent results due to under - integration of the weak form .
Nodal integration however , suffers from numerical instability due to underestimation of strain energy associated with short - wavelength modes , and also yields inaccurate and non-convergent results due to under - integration of the weak form .