IAM - Computational Materials Science
Ankit_Kumar_Bild

Dr. Ankit Kumar

Research

Pattern formation

  • Influence of convection, thermal gradients and supersaturation on solidifying patterns.

Kumar_Research_Image1

 

Eutectoid transformation in Fe-C

  • Utilization of thermodynamic databases (CALPHAD) for phase-field simulations
  • Interplay of process parameters leading to (a) lamellar (pearlitic) or (b) divorced eutectoid morphology
  • New modes : (a) Concurrent growth and ripening (b) Particle-dragging.

Ankit_Kumar_Eutectoid

 

Phase-field method in Geoscience - Vein growth

  • Phase-field simulation of crystal growth (sealing) in geological veins.
  • Innovative numerical post-processing to analyze 3-D microstructure

Ankit_Kumar_Phase-field

 

Curriculum Vitae

Education

  • Apr 2005 - Apr 2010: Integrated Dual Degree
    (Bachelor + Master) in Metallurgical Engineering
    from Indian Institute of Technology, Banaras
    Hindu University (IIT, BHU).
  • PhD: Phase-field modeling of microstructural pattern formation in alloys and geological veins.
  • M.Tech (Master of Technology): Creep cavitation studies in Inconel 718 alloys.
  • B.Tech (Bachelor of Technology): Implementation of Artificial Neural Networks in removal of artifacts in
    quantitative metallography using digital image processing

 

Employment

  • Since June 2014: Scientific employee at the Institute of
    Applied Materials, Karlsruhe Institute of Technology
  • June 2012 – May 2014: Scientific employee at the Institute
    of Materials and Processes, University of Applied
    Sciences, Karlsruhe.
  • Aug 2010 - May 2012: Scientific employee at the Material
    and Process Simulations, University of Bayreuth, Bayreuth
  • May 2009 – Aug 2009: Summer Intern at SINTEF,
    Trondheim (Norway)

Publikationsliste


Influence of melt convection on the morphological evolution of seaweed structures: Insights from phase-field simulations.
Pavan Laxmipathy, V.; Wang, F.; Selzer, M.; Nestler, B.; Ankit, K.
2019. Computational materials science, 170, Art.-Nr. 109196. doi:10.1016/j.commatsci.2019.109196
lnfluence of fluid flow on morphological evolution of seaweed structures: A phase-field model [in press].
Veluvali, P. L.; Wang, F.; Selzer, M.; Ankit, K.; Nestler, B.
2018. Computational materials science
Three-Dimensional Phase-Field Investigation of Pore Space Cementation and Permeability in Quartz Sandstone.
Prajapati, N.; Selzer, M.; Nestler, B.; Busch, B.; Hilgers, C.; Ankit, K.
2018. Journal of geophysical research / Solid earth, 123 (8), 6378–6396. doi:10.1029/2018JB015618
Mechanisms of pearlite spheroidization: Insights from 3D phase-field simulations.
Amos, P. G. K.; Bhattacharya, A.; Nestler, B.; Ankit, K.
2018. Acta materialia, 161, 400–411. doi:10.1016/j.actamat.2018.09.043
Phase-field simulations of pearlitic divergence in Fe-C-Mn steels.
Mushongera, L. T.; Amos, P. G. K.; Nestler, B.; Ankit, K.
2018. Acta materialia, 150, 78–87. doi:10.1016/j.actamat.2018.02.059
Three-dimensional phasefield investigation of pore-space and permeability in sandstone.
Prajapati, N.; Ankit, K.; Nestler, B.; Schmidt, C.; Hilgers, C.
2016. American Geophysical Union (AGU) Fall Meeting 2016, San Francisco, California, 12th - 16th December 2016
Numerical methods to study phase transformation and transport mechanisms in veins.
Ankit, K.; Nestler, B.
2014. PetroTherm-Seminar SS 2014 : Introduction to GeoLab, Karlsruhe, Germany, 17th April 2014
Threedimensional phasefield investigation of pore space cementation and permeability in quartz sandstone.
Prajapati, N.; Ankit, K.; Selzer, M.; Nestler, B.; Schmidt, C.; Hilgers, C.
2016. Workshop "Geothermische Fluide in Salinaren Systemen", KIT- Karlsruhe, Germany, 2016
Threedimensional phasefield investigation of pore space cementation and permeability in quartz sandstone.
Prajapati, N.; Ankit, K.; Selzer, M.; Nestler, B.; Schmidt, C.; Hilgers, C.
2016. AGU 2016 : American Geophysical Union, San Francisco, California, 12th - 16th December 2016
Comprehending the mechanism of vein formation : Insights from three-dimensional phase-field modeling and innovative post-processing techniques.
Ankit, K.; Selzer, M.; Nestler, B.
2014. The Clustered ECCM V and ECFD VI Jointly Organized with WCCM XI : 11th World Congress on Computational Mechanics - 5th European Conference on Computational Mechanics - 6th European Conference on Computational Fluid Dynamics Barcelona, Spain, 20-25 July 2014
A three-dimensional phase-field study of grain boundary tracking behavior in crack-seal microstructures.
Ankit, K.; Selzer, M.; Nestler, B.
2014. EGU 2014 : European Geosciences Union General Assembly, Vienna, Austria, 27th April - 02nd May 2014
Phase-field modeling of crystal growth in geological veins : A first look.
Ankit, K.; Urai, J.; Hilgers, C.; Nestler, B.
2014. PFM 2014 : The Third International Symposium on Phase-field Method 2014, State College, Pennsylvania, 26th-29th August 2014
Mathematical modeling of microstructural evolution in geological vein networks and solid-state phase transformations.
Ankit, K.; Nestler, B.
2014. Workshop on polycrystalline growth : New insights from experiments and modeling, Karlsruhe, Germany, 2014
Integrated Research as Key to the Development of a Sustainable Geothermal Energy Technology.
Meller, C.; Bremer, J.; Ankit, K.; Baur, S.; Bergfeldt, T.; Blum, P.; Canic, T.; Eiche, E.; Gaucher, E.; Hagenmeyer, V.; Heberling, F.; Held, S.; Herfurth, S.; Isele, J.; Kling, T.; Kuhn, D.; Mayer, D.; Müller, B.; Nestler, B.; Neumann, T.; Nitschke, F.; Nothstein, A.; Nusiaputra, Y.; Orywall, P.; Peters, M.; Sahara, D.; Schäfer, T.; Schill, E.; Schilling, F.; Schröder, E.; Selzer, M.; Stoll, M.; Wiemer, H.-J.; Wolf, S.; Zimmermann, M.; Kohl, T.
2017. Energy technology, 5 (7), 965–1006. doi:10.1002/ente.201600579
Influence of substrate interaction and confinement on electric-field-induced transition in symmetric block-copolymer thin films.
Mukherjee, A.; Mukherjee, R.; Ankit, K.; Bhattacharya, A.; Nestler, B.
2016. Physical review / E, 93 (3), Art.Nr.: 032504. doi:10.1103/PhysRevE.93.032504
Phase-field simulations of curvature-induced cascading of Widmanstätten-ferrite plates.
Bhattacharya, A.; Ankit, K.; Nestler, B.
2017. Acta materialia, 123, 317–328. doi:10.1016/j.actamat.2016.10.035
Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: Kinetic pathways.
Mukherjee, A.; Ankit, K.; Reiter, A.; Selzer, M.; Nestler, B.
2016. Physical chemistry, chemical physics, 18 (36), 25609–25620. doi:10.1039/c6cp04903f
Phase-Field Modeling of Grain-Boundary Grooving Under Electromigration.
Mukherjee, A.; Ankit, K.; Mukherjee, R.; Nestler, B.
2016. Journal of electronic materials, 45 (12), 6233–6246. doi:10.1007/s11664-016-4848-z
Surface rippling during solidification of binary polycrystalline alloy : Insights from 3-D phase-field simulations.
Ankit, K.; Xing, H.; Selzer, M.; Nestler, B.; Glicksman, M. E.
2017. Journal of Crystal Growth, 457, 52–59. doi:10.1016/j.jcrysgro.2016.05.033
Phase-field study of grain boundary tracking behavior in crack-seal microstructures.
Ankit, K.; Nestler, B.; Selzer, M.; Reichardt, M.
2013. Contributions to Mineralogy and Petrology, 166 (6), 1709–1723. doi:10.1007/s00410-013-0950-x
Microstructural evolution in bitaxial crack-seal veins: A phase-field study.
Ankit, K.; Urai, J. L.; Nestler, B.
2015. Journal of geophysical research / Solid earth, 120 (5), 3096–3118. doi:10.1002/2015JB011934
Phase‐field Modeling of Fracture Cementation Processes in 3‐D.
Ankit, K.; Selzer, M.; Hilgers, C.; Nestler, B.
2015. Journal of Petroleum Science Research, 4 (2), 79–96. doi:10.12783/jpsr.2015.0402.04
Evolution of mixed cementite morphologies during non-cooperative eutectoid transformation in Fe-C steels.
Ankit, K.; Mittnacht, T.; Mukherjee, R.; Nestler, B.
2015. Computational materials science, 108, 342–347. doi:10.1016/j.commatsci.2015.03.002
Three-dimensional phase-field study of crack-seal microstructures - insights from innovative post-processing techniques.
Ankit, K.; Selzer, M.; Nestler, B.
2014. Geoscientific model development discussions, 7, 631–658. doi:10.5194/gmdd-7-631-2014
Theoretical and numerical study of lamellar eutectoid growth influenced by volume diffusion.
Ankit, K.; Choudhury, A.; Qin, C.; Schulz, S.; McDaniel, M.; Nestler, B.
2013. Acta Materialia, 61 (11), 4245–4253. doi:10.1016/j.actamat.2013.03.050

Lebenslauf

Akademische Abschlüsse

  • Apr 2005 - Apr 2010: Integrated Dual Degree
    (Bachelor + Master) in Metallurgical Engineering
    from Indian Institute of Technology, Banaras
    Hindu University (IIT, BHU).
  • PhD: Phase-field modeling of microstructural pattern formation in alloys and geological veins.
  • M.Tech (Master of Technology): Creep cavitation studies in Inconel 718 alloys.
  • B.Tech (Bachelor of Technology): Implementation of Artificial Neural Networks in removal of artifacts in
    quantitative metallography using digital image processing

 

Beruflicher Werdegang

  • Since June 2014: Scientific employee at the Institute of
    Applied Materials, Karlsruhe Institute of Technology
  • June 2012 – May 2014: Scientific employee at the Institute
    of Materials and Processes, University of Applied
    Sciences, Karlsruhe.
  • Aug 2010 - May 2012: Scientific employee at the Material
    and Process Simulations, University of Bayreuth, Bayreuth
  • May 2009 – Aug 2009: Summer Intern at SINTEF,
    Trondheim (Norway)