Using CASAS to fully evaluate a Cartridge Case and Chamber design is a lengthy process. As you have seen from this example, a large amount of data is required as input to the analysis and significant work must be expended to estimate several of the input parameters. Once a successful CASAS run has been made, the data can be scanned for obvious undesirable conditions. Then the process begins to evaluate the design under the full range of environmental conditions and manufacturing variations that are expected. Most likely this will prompt changes to the design and require many of the analysis runs to be repeated. PRODAS offers a couple of tools to help with these repetitive runs.

• First, CASAS has the capability to alter critical parameters through the use of scale factors. This will be demonstrated later in this section.

• Second, PRODAS has a Macro language that let's you perform repetitive analysis runs automatically. Under Macro control PRODAS will:
  • Open a Projectile
  • Change a Data Value
  • Run a Series of Analyses
  • Add Data to a Cross Plot or Data File
  • Repeat

See the Macro Language section in the PRODAS Help for a full description of this capability

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