We deal with the triangular mesh-discontinuous finite element method for solving the time-dependent anisotropic neutron transport problem in two-dimensional cylindrical geometry.

本文研究了求解二维输运问题的各向异性三角网间断有限元数值方法。

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The Green's function in Cartesian geometry can be used to replace the complex Green's function in cylindrical geometry when solving the neutron diffusion equation in cylindrical geometry.

用格林函数节块法求解圆柱几何中子扩散方程时，可用平板几何格林函数代替复杂的圆柱几何格林函数。

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The contact pretension between the layers of cylindrical structure concerns the non-linearity of geometry and material, as well as the influence of interface friction.

多层圆柱结构的接触预紧问题，涉及到几何非线性和材料非线性以及接触面上摩擦力的影响。

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Many batteries are made in a kind of "Swiss roll" geometry, in which the layers are rolled up into a cylindrical or round-edged rectangular shape.

BBC: 'Paint-on' batteries demonstrated