### 2.3.1. Valid Syntax in ANSYS CFX

Valid Syntax for Named Objects

  The names of objects must be no more than 80 characters in length. Any of the following characters are allowed to name new objects: `A-Z a-z 0-9 <space>` (however, the first character must be `A-Z` or `a-z`). Multiple spaces are treated as single space characters, and spaces at the end of a name are ignored. In general, object names must be unique within the physics setup.

Valid Decimal Separator

  In ANSYS CFX, only a period is allowed to be used as a decimal delimiter in fields that accept floating-point input. Depending on your system configuration, fields that accept numeric input will either accept a comma but return an error, or not accept a comma at all.

  ANSYS Workbench accepts commas as decimal delimiters, but translates these to periods when passing data to ANSYS CFX.

  Note: CFX will not function correctly on a Linux system with the environment variable "LC_ALL" set to a locale which uses a comma delimiter. The environment variable "LANG" can usually be used to set the locale instead.

Valid Network Path

  UNC paths are not supported in ANSYS CFX. You should use drive letters when opening ANSYS CFX products over a network installation.

Release 18.2 - © ANSYS, Inc. All rights reserved.