The following are some of the useful materials for finite element modelling.

Online lecutreof FE modelling and computational mechanics

• MATH60022/MATH70022 Finite Elements: numerical analysis and implementation (Imperial)
• computational continuum mechanics (NPTEL)

Textbooks

• For foundational knowledge engineering approach: J N Reddy,
• For mathematical approach: Hughes
• For Non-linear continuum mechanics: Holzapfel

Open source FE solver

• FEniCS
• dealII
• calculix

For learning FEniCS

• [FEniCS]