Pacific Northwest National Laboratory Jobs

Job Information

Pacific Northwest National Laboratory PhD Intern - Computational & Data Engineering in RICHLAND, Washington

Organization and Job ID

Job ID: 311625

Directorate: Physical & Computational Sciences

Division: Advanced Computing, Mathematics & Data

Group: Computational & Data Engineering

Job Description

Implementing crystal plasticity twinning constitutive model in open source FEM solver Warp3D for HCP materials such as Zircaloy, Magnesium, and Nickel. Warp3d currently does have crystal plasticity material model for HCP materials but it is only limited to deformation due to slip. Aim is to extend that model to include the deformation from the twinning as well and solve some benchmark example to check the correctness of the model.

Minimum Qualifications

Candidates must be currently enrolled/matriculated in a PhD program at an accredited college. Minimum GPA of 3.0 is required.

Preferred Qualifications

  • Understanding of finite element methods

  • Knowledge of crystal plasticity theory

  • Experience of programming

Preferred Education/Credential:

Degree in mechanical engineering, material science, or related field.

Equal Employment Opportunity

Battelle Memorial Institute (BMI) at Pacific Northwest National Laboratory (PNNL) is an Affirmative Action/Equal Opportunity Employer and supports diversity in the workplace. All employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, marital or family status, sexual orientation, gender identity, or genetic information. All BMI staff must be able to demonstrate the legal right to work in the United States. BMI is an E-Verify employer. Learn more at

Please be aware that the Department of Energy (DOE) prohibits DOE employees and contractors from having any affiliation with the foreign government of a country DOE has identified as a “country of risk” without explicit approval by DOE and Battelle. If you are offered a position at PNNL and currently have any affiliation with the government of one of these countries you will be required to disclose this information and recuse yourself of that affiliation or receive approval from DOE and Battelle prior to your first day of employment.

Directorate: Physical & Computational Sci's

Job Category: Master's and PhD Level Internships

Group: Computational & Data Eng Group

Opening Date: 2021-02-05

Closing Date: 2021-03-06