3 Letters of Recommendations at least two from faculty members who have taught or advised you
GRE scores are optional but strongly encouraged

Resume
Statement of Purpose

Minimum GPA 3.0 in last 2 years of coursework Note Lower than 3.0 GPA requires special action and substantiation such as good test scores on the GRE or other recognized examinations
BS in engineering Applicants with BS degrees in related fields may be considered for admission If admitted nonengineers are required to complete remedial courses as determined by their advisor and advisory committee
GRE test is not required but strongly encouraged for PhD program applicants Typical acceptance scores around 300 for Verbal Quantitative and 3.0 for Analytical
Minimum TOEFL and IELTS scores for international students See language requirements set by the Graduate School

TOEFL Internet-based - 80 Overall - Reading - 17, Listening - 17, Speaking - 17, Writing - 17.
IELTS Academic - 6.5 Overall - Reading - 6, Listening - 6, Speaking - 6, Writing - 6.
PTE - 59.