Man­u­als for LST, LLC software prod­ucts are avail­able for down­load through links on this page. Some man­u­als are for prod­ucts which are no longer sup­port­ed; oth­ers are for the most up-to-date ver­sions of LST, LLC soft­ware.

Latest DRAFT Versions of LS-DYNA Manuals

• LS-DY­NA dev Key­word Man­u­al Vol I (Up­dat­ed 12 June 2026; change log)
• LS-DY­NA dev Key­word Man­u­al Vol II – Ma­te­r­i­al Mod­els (Up­dat­ed 11 June 2026; change log)
• LS-DY­NA dev Key­word Man­u­al Vol III – Mul­tiphysics Solvers (Up­dat­ed 19 March 2026; change log)
• LS-DY­NA The­o­ry Man­u­al (Up­dat­ed 8 March 2025; change log)
• LS-DY­NA In­tro­duc­to­ry Ex­am­ples Man­u­al (Up­dat­ed June 2013)
• LS-DY­NA In­tro­duc­to­ry Ex­am­ples In­put Decks (Up­dat­ed June 2013)

LS-DYNA Manuals

• LS-DY­NA R15 Key­word Man­u­al Vol I (Created 28 February 2024)
• LS-DY­NA R15 Key­word Man­u­al Vol II (Created 29 February 2024)
• LS-DY­NA R15 Key­word Man­u­al Vol III (Cre­at­ed 16 February 2024)
• LS-DY­NA R15 The­o­ry Man­u­al (Created 16 February 2024)
• LS-DY­NA R14 Key­word Man­u­al Vol I (Updated 28 November 2023)
• LS-DY­NA R14 Key­word Man­u­al Vol II (Created 24 February 2023)
• LS-DY­NA R14 Key­word Man­u­al Vol III (Cre­at­ed 24 February 2023)
• LS-DY­NA R14 The­o­ry Man­u­al (Created 24 February 2023)
• LS-DY­NA R13 Key­word Man­u­al Vol I (Updated 16 December 2025)
• LS-DY­NA R13 Key­word Man­u­al Vol II (Up­dat­ed 21 August 2025)
• LS-DY­NA R13 Key­word Man­u­al Vol III (Cre­at­ed 28 Sep­tem­ber 2021)
• LS-DY­NA R12 Key­word Man­u­al Vol I (Cre­at­ed 17 Ju­ly 2020)
• LS-DY­NA R12 Key­word Man­u­al Vol II (Up­dat­ed 9 Sep­tem­ber 2020)
• LS-DY­NA R12 Key­word Man­u­al Vol III (Up­dat­ed 20 Feb­ru­ary 2021)
• LS-DY­NA R11 Key­word Man­u­al Vol I (Cre­at­ed 18 Oc­to­ber 2018)
• LS-DY­NA R11 Key­word Man­u­al Vol II (Up­dat­ed 19 Feb­ru­ary 2019)
• LS-DY­NA R11 Key­word Man­u­al Vol III (Cre­at­ed 16 Oc­to­ber 2018)
• LS-DY­NA R10.0 Key­word Man­u­al Vol I (Re­vised 07 Nov 2017)
• LS-DY­NA R10.0 Key­word Man­u­al Vol II (Re­vised 17 Oct 2017)
• LS-DY­NA R10.0 Key­word Man­u­al Vol III (Cre­at­ed Ju­ly 2017)
• LS-DY­NA R9.0 Key­word Man­u­al Vol I (Cre­at­ed Au­gust 2016)
• LS-DY­NA R9.0 Key­word Man­u­al Vol II (Cre­at­ed Au­gust 2016)
• LS-DY­NA R9.0 Key­word Man­u­al Vol III (Cre­at­ed Au­gust 2016)
• LS-DY­NA R8.0 Key­word Man­u­al Vol I (Cre­at­ed March 2015)
• LS-DY­NA R8.0 Key­word Man­u­al Vol II (Cre­at­ed March 2015)
• LS-DY­NA R8.0 Key­word Man­u­al Vol III (Cre­at­ed March 2015)
• LS-DY­NA R7.1 Key­word Man­u­al Vol I (Cre­at­ed May 2014)
• LS-DY­NA R7.1 Key­word Man­u­al Vol II (Cre­at­ed May 2014)
• LS-DY­NA R7.1 Key­word Man­u­al Vol III (Cre­at­ed May 2014)
• LS-DY­NA R7.0 Key­word Man­u­al Vol I (Cre­at­ed Feb 2013)
• LS-DY­NA R7.0 Key­word Man­u­al Vol II (Cre­at­ed Feb 2013)
• LS-DY­NA R7.0 Key­word Man­u­al Vol III (Cre­at­ed Feb 2013)
• LS-DY­NA 971 R6.1.0 Key­word Man­u­al Vol I (Cre­at­ed Aug 2012)
• LS-DY­NA 971 R6.1.0 Key­word Man­u­al Vol II (Cre­at­ed Aug 2012)
• LS-DY­NA 971 R6.0.0 Key­word Man­u­al Vol I (Cre­at­ed Feb 2012)
• LS-DY­NA 971 R6.0.0 Key­word Man­u­al Vol II (Cre­at­ed Feb 2012)
• LS-DY­NA 971 Key­word Man­u­al (Rev1 – Cre­at­ed 08/­17/­2009)
• LS-DY­NA 970 Key­word Man­u­al (April 2003)
• LS-DY­NA 970 Up­date Rev 5434 Key­word Man­u­al (Oc­to­ber 2004)
• LS-DY­NA Data­base Man­u­al (Jan 2018)
• LS-DY­NA Data­base Man­u­al (Feb 2017)
• LS-DY­NA Ex­am­ples Man­u­al (Cre­at­ed 06/­27/­2001)
• LS-DY­NA The­o­ry Man­u­al – 2006 (March 2006)
• LS-DY­NA Ther­mal Guide (tar archive, in­cludes User Guide, Au­gust 1999)
• LS-DY­NA 960 Struc­tured Man­u­al (March 2001)
• Get­ting Start­ed with LS-DY­NA (2002)

LS-PrePost Manuals

• LS-Pre­Post On­line Doc­u­men­ta­tion (V4.9)
• LS-Pre­Post Tu­to­r­i­al (2018)

LS-OPT Manuals

• LS-OPT Overview README.txt
• LS-OPT 5.2 User Man­u­al (Dec 2015)
• LS-OPT 4.2 User Man­u­al (May 2011)
• LS-OPT 4.1 User Man­u­al (De­cem­ber 2010)
• LS-OPT 4.0 User Man­u­al (April 2009)

LS-TaSC Manual

• LS-TaSC 4.2 User Man­u­al (Oc­to­ber 2020)
• LS-TaSC 2.0 User Man­u­al (April 2011)

LSTC License Manager Software

• Li­cense In­stal­la­tion Guide (Au­gust 2010)