Papers by Author: Wen Suo Ma

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Authors: Wen Suo Ma, Bin Qian Yang, Xiao Zhong Ren
Abstract: 3D braided group theory is dissertated. The analysis procedure is described from the existing braided geometry structure to the braided space group; 3D braided geometrical structures are finally described by means of group theory. Some of novel 3D braided structures are deduced from the braided space groups. By describing the 3D braided materials with braided space point and braided space groups, the braided space groups are not always the same as symmetry groups of crystallographic because novel lattices can be produced and the reflection operation cannot exist in braided space point groups. Braided point and space groups are theoretical basis for deriving the novel braided geometry structure.
Authors: Wen Suo Ma, Chuang Xu, Kai Li, Ling Ling Zhang
Abstract: A novel geometry structure of unit cell was deduced by using the point group S6 corresponding to symmetry operations. Based on the symmetry of space group P3, a new 3D braided material was obtained by transforming the new unit cell symmetrically. The plate processing corresponding to this geometry structure was studied. The fiber volume percentage and its variation tendency of the 3D braided material were predicted through establishing mathematical model.
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