Syntax highlighting and deck structure navigation for OpenRadioss CAE input files (.rad) in Visual Studio Code.

Before / After

Without extension	With extension

Features

Syntax Highlighting

Full coverage of OpenRadioss Starter input keywords, color-coded by category:

Category	Examples
Block headers	`/BEGIN`, `/END`, `#RADIOSS STARTER`
Materials	`/MAT/LAW1` – `/MAT/LAW200`, `/HEAT/MAT`, `/NONLOCAL/MAT`
Properties	`/PROP/TYPE1` – `/PROP/TYPE45`, `/PROP/INJECT1`
Elements	`/NODE`, `/BRICK`, `/SHELL`, `/BEAM`, `/TETRA4`, `/PENTA6`, `/SPRING`, `/TRUSS`
Failure models	`/FAIL/JOHNSON`, `/FAIL/GURSON`, `/FAIL/HASHIN`, 40+ models
Equations of state	`/EOS/GRUNEISEN`, `/EOS/IDEAL-GAS`, 17+ EOS types
Boundary conditions	`/BCS`, `/IMPVEL`, `/IMPDISP`, `/CLOAD`, `/GRAV`
Contact/Interface	`/INTER/TYPE1` – `/INTER/TYPE25` and subtypes
Initial conditions	`/INIVEL`, `/INIBRI`, `/INISHE`, `/INIQUA` and subtypes
ALE / Fluid	`/ALE/GRID/`, `/EBCS/`, `/EULER/MAT`
Monitoring	`/MONVOL/*`, `/GAUGE`, `/TH`
Comments	`#` lines
Numbers	Integers, decimals, scientific notation (`1.5E-3`, `2.1D+4`)
Parameters	`&PARAM = value`

Deck Structure Panel

A dedicated panel in the Activity Bar shows all blocks in the open .rad file as a navigable tree. Click any entry to jump directly to that line.

/MAT, /PROP, /PART, /INTER, /FAIL and all other blocks are listed
Block name shown alongside the keyword
Category icons for quick visual scanning
Refresh button to force update

Language Support

Auto file association for .rad and .radians
Bracket matching and auto-closing
Line comment toggle (#)

Installation

Search for OpenRadioss-language package in the VS Code Extensions panel (Ctrl+Shift+X).

Example

#RADIOSS STARTER
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/UNIT/1
kg mm ms

/MAT/LAW2/1
STEEL_S235
  7.85E-09
  210000.0           0.3
  355.0      500.0   0.2       0.0

/PROP/TYPE1/1
SHELL_1MM
  0   0   0   0   0   0   0   0   0
  1.0     0.0     0.0     0     0

/PART/1
BODY_PANEL
         1         1         0

/NODE
         1       0.000       0.000       0.000
         2     100.000       0.000       0.000
         3     100.000     100.000       0.000

/BCS/1
         1  000000  000000
         2  000000  000000

/GRAV/1
GRAVITY
         1       9810.0
    0.0    0.0   -1.0

/END

Links

Trademark Notice

"OpenRadioss" and "Altair Radioss" are trademarks of Altair Engineering, Inc. This extension is an independent project and is not affiliated with, endorsed by, or sponsored by Altair Engineering, Inc.