Publications

2003

• Identification du chargement thermique transitoire par contrôle optimal
  
  • Constantinescu Andrei
  • Ivaldi Damien
  • Stolz Claude
  , 2003, 1, pp.185-192.
• Direct evaluation of double singular integrals and new free terms in 2D (symmetric) Galerkin BEM
  
  • Bonnet Marc
  • Guiggiani Massimo
  Computer Methods in Applied Mechanics and Engineering, Elsevier, 2003, 192, pp.2565-2596. In this paper a new general algorithm is developed for the direct evaluation of all singular double integrals arising in the 2D Galerkin BEM, including those with hypersingular kernels. A distinguishing feature of the proposed method is that double singular integrals are treated as a whole, that is, not as inner integrals followed by outer ones. Therefore, when applied to the symmetric Galerkin BEM, the proposed technique is strictly symmetry preserving. Moreover, a careful analysis of the limiting process is performed which shows that some new free terms may arise. (10.1016/S0045-7825(03)00286-X)
  DOI : 10.1016/S0045-7825(03)00286-X