Illegal Characters

When you enter certain names for objects or projects, some characters are automatically replaced with an underscore (“_”). This is due to the parametric computation logic used internally. These characters can interfere with parametric equations and cause unexpected results.

For example, if you name an object PierCap1+5, OpenBrIM interprets this as a parameter named PierCap1 plus the value 5, rather than a single name. To avoid such conflicts, the following characters are not allowed:

Illegal characters:

• (space)

• ' (single quote)

• \ (backslash)

• / (forward slash)

• | (vertical bar / pipe)

• ? (question mark)

• * (asterisk)

• - (hyphen)

• + (plus sign)

• < (less than)

• > (greater than)

• : (colon)

• . (period / dot)

• @ (at sign)

• & (ampersand)

• ( (left parenthesis)

• ) (right parenthesis)

• % (percent sign)

All of these will be replaced automatically with an underscore (_) to ensure parametric stability.