EDF's open-source simulation software, free to access

Developed by EDF R&D, one of the world’s leading energy innovators, these codes are backed by more than 35 years of scientific expertise. They provide engineers and researchers with reliable tools to innovate, cut costs, and maintain full control over their simulation solutions.Explore the software and use casesico
code_aster (FEA) logo

code_aster is an open-source software developed by EDF’s R&D for general numerical simulation of solid mechanics. It addresses complex engineering problems in sectors such as civil engineering, aerospace, automotive, and energy, including nuclear.

Explore the software and use cases
Select a product

Choose a version

All Versions - code_aster

VersionRelease dateRelease noteAdded on
18.1.3

Unstable

September 1, 2026September 1, 2026
17.4.0

Stable

January 21, 2026
17.3.2

Old stable

October 1, 2025October 3, 2025
17.3.1

Old stable

October 1, 2025October 3, 2025
17.3.0

Old stable

October 1, 2025October 3, 2025
17.2.27

Old stable

October 1, 2025October 3, 2025
17.2.26

Old stable

October 1, 2025October 3, 2025
17.2.25

Old stable

October 1, 2025October 3, 2025
17.2.24

Old stable

October 1, 2025October 3, 2025
17.2.23

Old stable

October 1, 2025October 3, 2025
17.2.22

Old stable

October 1, 2025October 3, 2025
17.2.21

Old stable

October 1, 2025October 3, 2025
17.2.20

Old stable

October 1, 2025October 3, 2025
17.2.19

Old stable

October 1, 2025October 3, 2025
17.2.18

Old stable

October 1, 2025October 3, 2025
17.2.17

Old stable

October 1, 2025October 3, 2025
17.2.15

Old stable

October 1, 2025October 3, 2025
17.2.14

Old stable

October 1, 2025October 3, 2025
17.2.13

Old stable

October 1, 2025October 3, 2025
17.2.12

Old stable

October 1, 2025October 3, 2025
17.2.11

Old stable

October 1, 2025October 3, 2025
17.2.10

Old stable

October 1, 2025October 3, 2025
17.2.9

Old stable

October 1, 2025October 3, 2025
17.2.8

Old stable

October 1, 2025October 3, 2025
17.2.7

Old stable

October 1, 2025October 3, 2025
17.2.6

Old stable

October 1, 2025October 3, 2025
17.2.5

Old stable

October 1, 2025October 3, 2025
17.2.4

Old stable

October 1, 2025October 3, 2025
17.2.3

Old stable

October 1, 2025October 3, 2025
17.2.2

Old stable

October 1, 2025October 3, 2025
17.2.1

Old stable

October 1, 2025October 3, 2025
16.9.0

Old stable

January 21, 2026
16.8.0

Old stable

October 1, 2025October 3, 2025
16.7.18

Old stable

October 1, 2025October 3, 2025

Discover the Simvia tools associated with code_aster (FEA)

All tools