Hendra Grandis

• Geophysical Inversion and Modelling
  Development and application of inversion techniques for gravity, magnetic, MT, and CSAMT data.

• Subsurface Imaging and Hydrothermal Systems
  Imaging of volcanic and geothermal systems using integrated geophysical methods.

• Computational Geophysics
  Development and application of stochastic and heuristic algorithms (e.g., Monte Carlo, genetic, particle swarm, hybrid) for geophysical inversion and modeling.

• Geothermal and Volcanic System Characterization
  Delineation and monitoring of geothermal reservoirs, hydrothermal alteration zones, and basement structures for sustainable development.

• Sedimentary Basin and Fault Zone Studies
  Integrated geophysical analysis (MT, gravity, seismic) for resource evaluation and geological hazard assessment in Indonesia.

2019

• Relation of Crustal and Upper Mantle Deformation Beneath Sunda–Banda Island Arc Inferred from Shear-Wave Splitting (2019)
  Syuhada S., Puspito N.T., Anggono T., Hananto N.D., Grandis H., Yudistira T.
• Magnetotelluric (MT) Data Analysis and 2D Modeling of the Kutai Basin, Indonesia: Preliminary Result (2019)
  Grandis H., et al.
• Imaging the Geometry of Cimandiri Fault Zone Based on 2D Audio-Magnetotelluric (AMT) Model in Nyalindung (2019)
  Grandis H., et al.
• Geoelectric Strike Analysis from Magnetotelluric (MT) Data Using Swift and Polar Diagram Methods (2019)
  Grandis H., et al.
• Adaptation of Zohdy’s Method for Controlled-Source Audio-Frequency Magnetotelluric (CSAMT) Data Interpretation (2019)
  Grandis H., et al.
• Binary Coded Genetic Algorithm (BCGA) with Multi-Point Crossover for Magnetotelluric (MT) 1D Data Inversion (2019)
  Grandis H., et al.
• Analysis for Geoelectric Strike Direction of Magnetotelluric Data from a Geothermal Area (2019)
  Grandis H., et al.
• Bayesian Inversion for Layered Spherical Symmetric Earth Conductivity Model from Global Magnetic Data (2019)
  Grandis H., et al.
• Magnetotelluric Investigation for Imaging the Subsurface Geoelectrical Feature of the Prospective Seulawah Agam Geothermal Area, Indonesia (2019)
  Grandis H., et al.

2018

• Complex Conductivity of Volcanic Rocks and the Geophysical Mapping of Alteration in Volcanoes (2018)
  Ghorbani A., Revil A., Coperey A., Soueid Ahmed A., Roque S., Heap M.J., Grandis H., Viveiros F.
• 3D Electrical Conductivity Tomography of Volcanoes (2018)
  Soueid Ahmed A., Revil A., Byrdina S., Coperey A., Gailler L., Grobbe N., Viveiros F., Silva C., Jougnot D., Ghorbani A., Hogg C., Kiyan D., Rath V., Heap M.J., Grandis H., Humaida H.
• Structure of the Acid Hydrothermal System of Papandayan Volcano, Indonesia, Investigated by Geophysical Methods (2018)
  Byrdina S., Grandis H., Sumintadireja P., Caudron C., Syahbana D.K., Naffrechoux E., Gunawan H., Suantika G., Vandemeulebrouck J.
• Comparison of Particle Swarm Optimization, Genetic, and Dragonfly Algorithm to Invert Vertical Electrical Sounding (VES) Data (2018)
  Ramadhani I., Sungkono S., Grandis H.
• Preface (2018)
  Grandis H., et al.
• Ground Magnetic Survey for Shallow Iron Ore Prospecting (2018)
  Grandis H., Sumintadireja P.
• Magnetotelluric 1D Inversion Using Grid-Search and Monte Carlo Methods (2018)
  Maulinadya S., Grandis H.
• A Note on the Use of the Second Vertical Derivative (SVD) of Gravity Data with Reference to Indonesia (2018)
  Sumintadireja P., Dahrin D., Grandis H.

2017

• The Utility of Free Software for Gravity and Magnetic Advanced Data Processing (2017)
  Grandis H., Dahrin D.
• Improved Pseudo-Section Representation for CSAMT Data in Geothermal Exploration (2017)
  Grandis H., Sumintadireja P.
• Particle Swarm Optimization (PSO) for Magnetotelluric (MT) 1D Inversion Modeling (2017)
  Grandis H., Maulana Y.
• Magnetotelluric (MT) Data Smoothing Based on B-Spline Algorithm and Qualitative Spectral Analysis (2017)
  Handyarso A., Grandis H.
• Hydrothermal System of the Papandayan Volcano from Temperature, Self-Potential (SP), and Geochemical Measurements (2017)
  Byrdina S., Revil A., Gunawan H., Saing U.B., Grandis H.
• Three-Dimensional Gravity Inverse Modeling for Basement Depth Estimation Integrating Maximum Differential Entropy (2017)
  Handyarso A., Grandis H.

2015

• Thin-Sheet Electromagnetic Modeling of Magnetovariational Data for a Regional-Scale Study of Geomagnetic Variations (2015)
  Grandis H., Menvielle M.
• Quasi-2D Resistivity Model from Inversion of Vertical Electrical Sounding (VES) Data Using Guided Random Search (2015)
  Irawan D., Grandis H., Sumintadireja P.

2014

• Constrained Two-Dimensional Inversion of Gravity Data (2014)
  Grandis H., Dahrin D.
• Multi-Dimensional Inversion Modeling of Surface Nuclear Magnetic Resonance (SNMR) Data for Groundwater Exploration (2014)
  Warsa W., Grandis H., Parnadi W.W., Santoso D.
• Full Tensor Gradient of Simulated Gravity Data for Prospect Scale Delineation (2014)
  Grandis H., Dahrin D.
• Simulation of 3D Gravity Anomaly of Thin Coal Layer in Sedimentary Environment and Its Delineation (2014)
  Grandis H.
• Three-Dimensional Inversion of Magnetic Resonance Sounding (MRS) for Groundwater Detection (2014)
  Warsa W., Grandis H., Parnadi W.W., Santoso D.

2013

• Thin-Sheet Inversion Modeling of Geomagnetic Deep Sounding Data Using MCMC Algorithm (2013)
  Grandis H., Menvielle M., Roussignol M.
• 3D SNMR Inversion of Water Content (2013)
  Warsa W., Grandis H., Parnadi W.W., Santoso D.

2011

• Sensitivity Study of 3D Modeling for Multi-Dimensional Inversion of Surface NMR (2011)
  Warsa W., Grandis H.

2002

• Thin-Sheet Electromagnetic Inversion Modeling Using Monte Carlo Markov Chain (MCMC) Algorithm (2002)
  Grandis H., Menvielle M., Roussignol M.

1999

• Bayesian Inversion with Markov Chains — I: The Magnetotelluric One-Dimensional Case (1999)
  Grandis H., Menvielle M., Roussignol M.
• An Alternative Algorithm for One-Dimensional Magnetotelluric Response Calculation (1999)
  Grandis H.

1992

• Magnetotelluric Observations over the Rhine Graben, France: A Simple Impedance Tensor Analysis Helps Understanding the Crustal Conductivity Structure (1992)
  Grandis H., et al.