composite triangular Bzier surface
Triangular Bzier patches
triangular Bzier surface
triangular patch antenna
Triangular patch joining
Triangular Patch Network
tensor product Bzier patch
12-parameter triangular elements
2×2 Upper Triangular Operator Matrixes
3-node triangular membrane element
6-node triangular element
9_parameter triangular plate element
Adaptive Triangular Mesh
Al substrates with regular triangular shapes
almost triangular matrix