Holger Class

发表

Model coupling for multiphase flow in porous media

Rainer Helmig, Markus Wolff, Bernd Flemisch, 2013 .

Numerical modeling of multiphase flow and transport processes in cohesive soils and parameter identification strategies

Rainer Helmig, Holger Class, S. Hölzemann, 2004 .

An Approach Towards a FEP-based Model for Risk Assessment for Hydraulic Fracturing Operations

Rainer Helmig, Martin Sauter, Dennis Gläser, 2016 .

Methods for predicting the spreading of steam below the water table during subsurface remediation

Rainer Helmig, Holger Class, S. Ochs, 2010 .

Report from CO2 storage workshop

Knut-Andreas Lie, Rainer Helmig, Jan M. Nordbotten, 2010 .

Coupling Models of Different Complexity for the Simulation of CO2 Storage in Saline Aquifers

Bernd Flemisch, Holger Class, Melanie Darcis, 2009 .

The pressure impact of CO2 storage on neighbouring sites

Holger Class, Christian Müller, Frauke Schäfer, 2011 .

Numerical simulation of non-isothermal multiphase multicomponent processes in porous media.: 1. An efficient solution technique

Rainer Helmig, Holger Class, Peter Bastian, 2002 .

A benchmark study on problems related to CO2 storage in geologic formations

Laurent Trenty, Rajesh J. Pawar, Jan M. Nordbotten, 2009 .

Forward and Inverse Problems in Modeling of Multiphase Flow and Transport Through Porous Media

Volker Schulz, Rainer Helmig, Holger Class, 2004 .

Transfer of Modelling Concepts for Flow and Transport Processes in Porous Media From Subsurface Systems to Biological Tissues

Rainer Helmig, Holger Class, Melanie Darcis, 2008 .

An integrative approach to robust design and probabilistic risk assessment for CO2 storage in geological formations

Rainer Helmig, Holger Class, Sergey Oladyshkin, 2011 .

Multiphase Processes in Porous Media

Rainer Helmig, Jennifer Niessner, Holger Class, 2006 .

A study on pressure evolution in a channel system during CO2 injection

Rainer Helmig, Holger Class, Sergey Oladyshkin, 2011 .

Modelling of CO2 arrival time at Ketzin - Part I

Carsten M. Nielsen, Michael Kühn, Peter Frykman, 2010 .

NUMERICAL MODELING OF CO2 SEQUESTRATION WITH MUFTE-UG

Rainer Helmig, Anozie Ebigbo, Holger Class, 2006 .

Expert involvement in science development: (re-)evaluation of an early screening tool for carbon storage site characterization

Holger Class, Stefan Knopf, Dirk Scheer, 2015 .

Matching Pressure Measurements and Observed CO2 Arrival Times with Static and Dynamic Modelling at the Ketzin Storage site

Holger Class, Thomas Kempka, Ben Norden, 2015 .

Evaluation of Brine Migration Risks Due to CO2 Injection – an Integrated Natural and Social Science Modeling Approach

Holger Class, Stefan Knopf, Dirk Scheer, 2014 .

Estimation of CO2 storage capacity coefficients in geologic formations

Rainer Helmig, Suzanne Hurter, Holger Class, 2009 .

Finding a Balance between Accuracy and Effort For Modeling Biomineralization

Rainer Helmig, Alfred B. Cunningham, Anozie Ebigbo, 2016 .

A contribution to risk analysis for leakage through abandoned wells in geological CO2 storage

Rainer Helmig, Philip John Binning, Holger Class, 2010 .

Chaos Expansion based Bootstrap Filter to Calibrate CO2 Injection Models

Holger Class, Sergey Oladyshkin, Wolfgang Nowak, 2013 .

Building bridges between disciplines: A generalized mathematical framework for climate change impact assessment

Bruno Merz, Michael Sinsbeck, Andreas Schäfer, 2021 .

Darcy‐scale modeling of microbially induced carbonate mineral precipitation in sand columns

Rainer Helmig, Alfred B. Cunningham, Lee H. Spangler, 2012 .

Combined Natural and Social Science Approach for Regional-Scale Characterisation of CO2 Storage Formations and Brine Migration Risks (CO2BRIM)

Holger Class, Stefan Knopf, Dirk Scheer, 2015 .

Brine migration resulting from CO2 injection into saline aquifers – An approach to risk estimation including various levels of uncertainty

Philip John Binning, Bernd Flemisch, Holger Class, 2012 .

A model for multiphase flow and transport in porous media including a phenomenological approach to account for deformation—a model concept and its validation within a code intercomparison study

Wolfgang Ehlers, Rainer Helmig, Holger Class, 2009 .

Heat transport in the unsaturated zone – comparison of experimental results and numerical simulations

Rainer Helmig, Holger Class, Martin Emmert, 1998 .

Estimation of effective parameters for a two-phase flow problem in non-Gaussian heterogeneous porous media.

Rainer Helmig, Holger Class, Insa Neuweiler, 2011, Journal of contaminant hydrology.

A discrete fracture model for two-phase flow in fractured porous media

Rainer Helmig, Dennis Gläser, Bernd Flemisch, 2017 .

Sequential Model Coupling for Feasibility Studies of CO2 Storage in Deep Saline Aquifers

Rainer Helmig, Bernd Flemisch, Holger Class, 2011 .

Investigations on CO2 storage capacity in saline aquifers: Part 1. Dimensional analysis of flow processes and reservoir characteristics

Rainer Helmig, Andreas Kopp, Holger Class, 2009 .

Bayesian updating via bootstrap filtering combined with data-driven polynomial chaos expansions: methodology and application to history matching for carbon dioxide storage in geological formations

Holger Class, Sergey Oladyshkin, Wolfgang Nowak, 2013, Computational Geosciences.

Investigating the Influence of the Initial Biomass Distribution and Injection Strategies on Biofilm-Mediated Calcite Precipitation in Porous Media

Rainer Helmig, Alfred B. Cunningham, Anozie Ebigbo, 2016, Transport in Porous Media.

Recent advances in finite element methods for multi-phase flow processes in porous media

Rainer Helmig, Jennifer Niessner, Holger Class, 2006 .

A concept for data-driven uncertainty quantification and its application to carbon dioxide storage in geological formations

Rainer Helmig, Holger Class, Sergey Oladyshkin, 2011 .

A New Simulation Framework for Soil–Root Interaction, Evaporation, Root Growth, and Solute Transport

Rainer Helmig, Holger Class, Timo Koch, 2018, Vadose Zone Journal.

Conceptual model development using a generic Features, Events, and Processes (FEP) database for assessing the potential impact of hydraulic fracturing on groundwater aquifers

Jacob Bensabat, Christopher McDermott, Martin Sauter, 2018, Advances in Geosciences.

Hydraulic fracturing in unconventional gas reservoirs: risks in the geological system, part 2

Rainer Helmig, Martin Sauter, Anozie Ebigbo, 2013, Environmental Earth Sciences.

Modelling biofilm growth in the presence of carbon dioxide and water flow in the subsurface

Rainer Helmig, Alfred B. Cunningham, Anozie Ebigbo, 2010 .

A new concept for the numerical simulation and parameter identification of multiphase flow and transport processes in cohesive soils

Rainer Helmig, Holger Class, R. Helmig, 2005 .

Monitoring of CO2 plumes during storage in geological formations using temperature signals: Numerical investigation

Andreas Kopp, Holger Class, Andreas Bielinski, 2008 .

Modeling non-isothermal two-phase multicomponent flow in the cathode of PEM fuel cells

Hans Müller-Steinhagen, Rainer Helmig, Clemens Merten, 2006 .

The regional pressure impact of CO2 storage: a showcase study from the North German Basin

Holger Class, Frauke Schäfer, Lena Walter, 2012, Environmental Earth Sciences.

Different concepts for the coupling of porous-media flow with lower-dimensional pipe flow

Rainer Helmig, Holger Class, M. O. Dogan, 2009 .

Numerical simulation of non-isothermal multiphase multicomponent processes in porous media. 2. Applications for the injection of steam and air

Rainer Helmig, Holger Class, R. Helmig, 2002 .

Multiphase Flow and Transport Modeling in Heterogeneous Porous Media

Markus Hilpert, Rainer Helmig, Jennifer Niessner, 2006 .

A hybrid-dimensional discrete fracture model for non-isothermal two-phase flow in fractured porous media

Rainer Helmig, Dennis Gläser, Bernd Flemisch, 2019, GEM - International Journal on Geomathematics.

Predicting salt intrusion into freshwater aquifers resulting from CO2 injection – A study on the influence of conservative assumptions

Philip John Binning, Holger Class, Lena Walter, 2013 .

Models for non-isothermal compositional gas-liquid flow and transport in porous media

Holger Class, H. Class, 2007 .

A revised model for microbially induced calcite precipitation: Improvements and new insights based on recent experiments

Rainer Helmig, Alfred B. Cunningham, Anozie Ebigbo, 2015 .

Regional-scale brine migration along vertical pathways due to CO 2 injection – Part 1: The participatory modeling approach

Holger Class, Stefan Knopf, Dirk Scheer, 2017 .

Sequential Coupling of Models for Contaminant Spreading in the Vadose Zone

Rainer Helmig, Holger Class, Insa Neuweiler, 2008 .

CO2 leakage through an abandoned well: problem-oriented benchmarks

Rainer Helmig, Anozie Ebigbo, Holger Class, 2007 .

Modeling Two Phase Flow in Large Scale Fractured Porous Media with an Extended Multiple Interacting Continua Method

Rainer Helmig, Holger Class, Alexandru Tatomir, 2011 .