Research Group
Research Group, Collaborators & Friends over the Years
May 6, 2022: Rock Physics Group at Purdue University. Alexander Clark, Abigail Santos, Jared Bland, Lina Rico-Arevalo (visiting from the National University of Columbia) and Dr. Liyang Jiang.





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May 7, 2014: (top image) Rock Physics Group at Purdue University. Brad Abell, Zhenyu Xu, Eric Boomsma, Siyi SHao, Xuhui Zhou, undergraduate Josh Knobloch. | Professors Laura Pyrak-Nolte (Physics at Purdue) and Antonio Bobet (Civil Engineering at Purdue) at the US Rock Mechanics/Geomechanics Symposium in Minnesota June 2014. |
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December 2013: Lunch at AGU in San Francisco, California: Brad Abell, Laura Pyrak-Nolte & Siyi Shao | Summer 2013: Josh Knobloch, Brad Abell, Laura Kaiser, Lauren Kolkman, Siyi Shao |
July 2013: From US SYmposium on Rock Mechanics/ Geomechanics 2013 in San Francisco, California: Dr. Seiji Nakagawa (from Lawrence Berkeley National Laboratory), graduate students Eric Boomsma & Brad ABell, Dr. Joe Morris (Schlumberger now at Lawrence Livermore National Laboratory).
July 25, 2012: Rock Physics Group at Purdue University. (From left) Ahmadreza Heyadat from Civil Engineering, from Physics Nolan Teasdale, Eric Boomsma, Josh Knobloc, Christopher Petrovitch, Brad Abell, REU student Tressa Mackin from Valenciea College, Min-Kwang Choi from Civil Engineering, Siyi Shao from Physics and Prof. Laura Pyrak-Nolte. (missing Matthew Smith from Physics)
November 15, 2011: Rock Physics Group at Purdue University. (Front row from left) from Physics: Siyi Shao, Anne Sauer, Nolan Teasdale, Chris Petrovitch. (Back row from left) in collaboration with Prof Antonio Bobet from Civil Engineering Min-Kwang Choi & Ahmadreza Heyadat; and from Physics: Eric Boomsma, Brad Abell and Prof. Laura Pyrak-Nolte.
July 28, 2010: Rock Physics Group at Purdue University. (Front row from left) from Physics: Bill Watterson, Nolan Teasdale, Caroline Webb (REU from Brown University), Dr. Yihong Liu, Weiwei Li and Hao Sun. (Back row from left) from Physics: Chris Petrovitch, Prof. Laura Pyrak-Nolte; from Civil Engineering: Min-Kwang Choi, Ahmadreza Heyadat; and from ECE: Fan Wu.
April 30, 2010 Rock Physics Group at Purdue University. (Front row from left) from Physics: Chris Petrovitch, Mike Olander, Bill Watterson, Weiwei Li, Yihong Liu; and in collaboration with Prof Antonio Bobet from Civil Engineering Min-Kwang Choi & Ahmadreza Heyadat. (Back row) Professor Laura Pyrak-Nolte.
July 17, 2009 Rock Physics Group in front of Neil Armstrong Hall of Engineering at Purdue University. (From left) Chris Petrovitch, Dr. Meigen Zhang (visiting from the Institute of Geology & Geophysics, Chinese Academy of Sciences, Beijing, China), Mike Olander, Yihong Liu, Professor Laura Pyrak-Nolte and Weiwei Li.
December 2008: Rock Physics Group at the Thirsty Bear for the EAS Alumin Event in San Francisco, California during the Annual Fall Meeting of the American Geophysical Union. (Front) Yihong Liu & Weiwei Li, (Background) Angel Acosta-Colon, Christopher Petrovitch & Professor Laura J. Pyrak-Nolte.
December 2007: Rock Physics Group: Weiwei Li, Yihong Liu, Chris Petrovich and Angel Acosta-Colon.
December 2005: Professor Laura J. Pyrak (left) with graduate students Angel Acosta-Colon (right) and Daiquan Chen (center back) holding his son, Daniel Chen, in San Francisco, California at AGU 2005 Fall Meeting.
December 2003: Professor Laura J. Pyrak (center) with graduate students Angel Acosta-Colon (left) and Daiquan Chen (right) in San Francisco, California at AGU 2003 Fall Meeting.