The last two integrals correspond to the naturalboundaryconditions.
最后两个积分对应于自然边界条件。
2
The results indicate that the higher order element exhibits better convergence than the lower order element in all cases without imposition of naturalboundaryconditions.
结果表明，在所有情况下，与低阶元素相比，高阶元素均显出有较好的收敛性。
3
Thinking over the influence of box beams shear lag effect, making use of the governing different equations and related naturalboundaryconditions of bending vibration to box girder.