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(PTriangle1)

GRAPH GRAMMAR FOR TRIANGULAR MESH GENERATION. (PTriangle1). Graph grammar production generating triangular element of type-1. (PTriangle2). Graph grammar production generating triangular element of type-2 (upside-down triangle). GRAPH GRAMMAR FOR TRIANGULAR MESH GENERATION. (PT1Left).

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(PTriangle1)

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  1. GRAPH GRAMMAR FOR TRIANGULAR MESH GENERATION (PTriangle1) Graph grammar production generating triangular element of type-1 (PTriangle2) Graph grammar production generating triangular element of type-2 (upside-down triangle)

  2. GRAPH GRAMMAR FOR TRIANGULAR MESH GENERATION (PT1Left) Graph grammar production generating neighboring element in the North-West direction (PT1Right) Graph grammar production generating neighboring element in the North-East direction (PT1Down) Graph grammar production generating neighboring element in the South direction

  3. GRAPH GRAMMAR FOR TRIANGULAR MESH GENERATION (PT2left) Graph grammar production generating neighboring element in the South-West direction (PT2right) Graph grammar production generating neighboring element in the South-East direction (PT2up) Graph grammar production generating neighboring element in the North direction

  4. GRAPH GRAMMAR FOR TRIANGULAR MESH GENERATION (PJoinRight) Graph grammar production connecting two horizontal layers of generated elements in the West direction

  5. GRAPH GRAMMAR FOR TRIANGULAR MESH GENERATION (PJoinLeft) Graph grammar production connecting two horizontal layers of generated elements in the East direction

  6. PETRI NET FOR TRIANGULAR MESH GENERATION Number of tokens in the state P0 = number of elements to be generated Always one token

  7. PETRI NET FOR TRIANGULAR MESH GENERATION

  8. PETRI NET FOR TRIANGULAR MESH GENERATION

  9. PETRI NET FOR TRIANGULAR MESH GENERATION

  10. PETRI NET FOR TRIANGULAR MESH GENERATION

  11. PETRI NET FOR TRIANGULAR MESH GENERATION

  12. PETRI NET FOR TRIANGULAR MESH GENERATION

  13. REACHABILITY GRAPHS Reachability graph for 1 element Reachability graph for 2 elements Reachability graph for 3 elements Deadlock here means actually the end of the generation process

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