Laser ultrasonic measurements to estimate the elastic properties of rock samples under in situ conditions J Simpson, K van Wijk, L Adam, C Smith Review of Scientific Instruments 90 (11), 2019 | 19 | 2019 |
Constraining microfractures in foliated Alpine Fault rocks with laser ultrasonics J Simpson, L Adam, K van Wijk, J Charoensawan Geophysical Research Letters 47 (8), e2020GL087378, 2020 | 11 | 2020 |
Spatial dependence of dynamic nonlinear rock weakening at the Alpine Fault, New Zealand J Simpson, K van Wijk, L Adam Geophysical Research Letters 48 (14), e2021GL093862, 2021 | 9 | 2021 |
A modified Hankinson Equation for the wave speed of laser ultrasound in Radiata Pine K van Wijk, J Simpson, S Hitchman Wave Motion 89, 57-64, 2019 | 9 | 2019 |
Fracture shape and orientation contributions to p-wave velocity and anisotropy of alpine fault mylonites J Charoensawan, L Adam, M Ofman, V Toy, J Simpson, X Zhong, ... Frontiers in Earth Science 9, 645532, 2021 | 5 | 2021 |
Temperature‐Induced Nonlinear Elastic Behavior in Berea Sandstone Explained by a Modified Sheared Contacts Model J Simpson, K van Wijk, L Adam, L Esteban Journal of Geophysical Research: Solid Earth 128 (1), e2022JB025452, 2023 | 4 | 2023 |
Non-contact measurements to estimate the elastic properties of rocks under in situ conditions J Simpson The University of Auckland, 2019 | 3 | 2019 |
Data and software for" Spatial dependence of dynamic nonlinear rock weakening at the Alpine Fault, New Zealand" J Simpson The University of Auckland, 2021 | 1 | 2021 |
Studying Kiwifruit with Laser Ultrasound and Seismology Techniques L Cobus, J Simpson, S Hitchman, J Johnson, K Van Wijk | 1 | 2020 |
Teaching hands-on geophysics: examples from the Rū seismic network in New Zealand K Van Wijk, J Simpson, L Adam European Journal of Physics 38 (2), 023001, 2017 | 1 | 2017 |
Dynamic Weakening of Rocks and the Implications for Rupture Propagation and Volcanic Eruptions J Simpson, K van Wijk, L Adam AGU23, 2023 | | 2023 |
The effect of temperature on the nonlinear elasticity of a fault rock in dynamic acoustoelastic testing (DAET) experiments J Simpson, AE Malcolm, K van Wijk Geophysical Journal International 235 (1), 554-565, 2023 | | 2023 |
Robust determination of rock anisotropy in the laboratory using laser ultrasonics PP Mandal Authorea Preprints, 2023 | | 2023 |
Experiments to Characterize the Nonlinear Elastic Behavior of Rocks in Realistic Subsurface Environments J Simpson, K van Wijk, L Adam AGU Fall Meeting Abstracts 2022, MR52A-02, 2022 | | 2022 |
Probing the Nonlinear Behavior of Rocks to Understand Dynamic Triggering of Earthquakes and Volcanoes J Simpson, K van Wijk, L Adam AGU Fall Meeting Abstracts 2021, U53A-07, 2021 | | 2021 |
The Effects of Pressure, Temperature, and Microstructure on the Nonlinear Softening and Recovery of Fault Rocks J Simpson, K van Wijk, L Adam AGU Fall Meeting Abstracts 2021, MR35B-15, 2021 | | 2021 |
Investigating Dynamic Weakening of Fault Core Rocks Under In Situ Pressures and Temperatures Using Laser Ultrasonics J Simpson, K van Wijk, L Adam AGU Fall Meeting Abstracts 2020, S032-05, 2020 | | 2020 |
Supporting Information PDF J Simpson The University of Auckland, 2020 | | 2020 |
HIGH-PRESSURE LASER ULTRASOUND J Simpson, K van Wijk, L Adam 11th Annual Dodd-Walls Centre Symposium University of Auckland 27-29 June 2018, 2018 | | 2018 |
Exploring Leaky Modes in the Subducted Pacific Plate J Simpson Department of Physics The University of Auckland Supervisor: Dr. Kasper van …, 2017 | | 2017 |