20
Structural Components
A Principal Circuit is the longest circular path through a block. As the largest circuit of dependent nodes in a block, a Principal Circuit defines the size of the block. Principal Circuits are the most important circuits in our DSM spreadsheet. Until we identify, characterize, and tear these circuits, we might not be finished.
Sometimes blocks do not have just one set of circular dependencies; they have several. Shunts cause these other dependencies.
After the original Principal Circuit is torn, some shunts remaining might still form shorter, inside circuits as in the graph shown in Figure 20.1. Shunts are paths that do not include one or more Principal Circuit nodes. Shunt arcs ...
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