2. Specify

Once your sketch is finished, CADSIM Plus enters specification mode where you will be asked to define process chemistry. You can use up to nine different Stream Definitions on up to 256 drawing layers for maximum flexibility in specifying your process simulation model.

Choose from lists of stream components, or add your own derived process variables. Work in US, Imperial or Metric units of measure, or use a mixture of all three.

Once your process stream chemistry is defined, you may add formats to streams and equipment units to display formatted simulation results. Place these formats on lines, inside process shapes, or create tables for them. You can also export results 'live' to other programs via DDE, COM or OPC links.

Next, CADSIM Plus will step through your model and prompt you for relationships to satisfy "degrees of freedom" for each variable at each transition point throughout the model (such as where flows divide, or combine, or where they enter, or leave a piece of equipment, or where they enter, or leave the model). CADSIM Plus insures that your model is not over, or under specified. Choose from a variety of equation types to describe your process.

Our stream-based specifications offer maximum flexibility for specifying your process models. In CADSIM Plus, streams are objects that perform their own calculations. You are not limited to specifying your problem within a unit block. In CADSIM Plus it is easy, for example, to specify a flow on one stream, in order to satisfy some relationship found in a different area of the model.

CADSIM Plus creates valve, sensor and other icons for each specification. These icons graphically show the process variables, and make it easy to see how they relate. During runtime, some of these icons are automatically transformed into default PID controllers which you can manipulate to control the simulation. Default PID settings are provided, allowing you to fine tune process at runtime.

When all of the degrees of freedom are satisfied, CADSIM Plus is ready to run your model.

Updated: 21-Mar-11