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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Ajay Malkoti</title>
<link rel="stylesheet" type="text/css" href="style.css" media="screen">
<link rel="stylesheet" href="academicons/academicons.css"/>
<link rel="stylesheet" href="font-awesome/css/font-awesome.css"/>
<meta name="description" content="Ajay Malkoti's personal page.">
<meta name="keywords" content="Ajay Malkoti,
CSIR-NGRI, National Geophysical Research Insitiute,
Fortran, MATLAB, Python,
Geophysicist, Modeling, simulation, finite difference,
Numerical algorithm">
<meta name="author" content="Ajay Malkoti">
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</head>
<body>
<h3><a href="http://ajmalkoti.github.io">ajmalkoti.github.io</a></h3>
<div class="group-icons">
<a href="./images/ajmalkoti2020.png"><img id="foto" src="./images/ajmalkoti2020.png?raw=true" alt="foto"></a>
<a href="https://github.com/ajmalkoti?tab=repositories"><i class="fa fa-github fa-2x"></i></a>
<a href="http://orcid.org/0000-0002-7436-3627"><i class="ai ai-orcid fa-2x"></i></a>
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</div>
<div id="navbar">
<a href="aa_aboutme.html"><strong>About me</strong></a>
<a href="ab_research.html"><strong>Research</strong></a>
<a href="ab_members.html"><strong>Members</strong></a>
<a href="ac_teaching.html"><strong>Teaching</strong></a>
<a href="ad_software.html"><strong>Software</strong></a>
<a href="ae_news.html"><strong>News</strong></a>
</div>
<p><br> <br> <br> <br> <br> <br></p>
<div id="contact2">
<a href="mailto:[email protected]">[email protected]</a><br />
<a href="http://ajmalkoti.github.io">ajmalkoti.github.io</a> <br />
<br />
</div>
<div id="contact1">
Ajay Malkoti<br/>
<a href="https://www.ngri.res.in/research/seismics.php">Seismic Group</a><br/>
<a href="https://www.ngri.res.in/index.php">CSIR-NGRI</a><br />
</div>
<div id="texto">
<h2><a name="project"></a> Projects</h2>
<ol>
<li> Title: Quantification of detection threshold and sensitivity of seismic techniques for monitoring of CO2 storage sites in India;
Role: co-PI; Duration: 3 years ( 2024-2027);
Sponsoring agency: Department of Science and Technology. (Yet to start) </li>
<li> Title: A fractional Gaussian fractal-based seismic inversion package for the high-resolution subsurface image;
Role: PI; Duration: 2 years (Aug 2022-July 2024);
Sponsoring agency: Council of Scientific and Industrial Research. <br>
Results for f3 dataset are provided below.
</li>
</ol>
<table border = 5 bordercolor = white align = center>
<tr>
<td colspan = 4><img src=".\images\FTT_bh_marker_plot.png" alt=""
border=0 width=500></img></th>
<td colspan = 4><img src=".\images\FTT_seis_plot_data.png" alt=""
border=0 width=500></img></td>
</tr>
<tr>
<td colspan = 4><img src=".\images\FTT_f3dataset1.jpg" alt=""
border=0 width=500></img></th>
<td colspan = 4><img src=".\images\FTT_f3dataset4.jpg" alt=""
border=0 width=500></img></td>
</tr>
</table>
<h2><a name="research"></a> Research</h2>
My published/ArXived articles can be downloaded from <a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">HERE</a>
<h4>Journal articles</h4>
<ol type="1" reversed>
<li><a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">
Vadapalli, V.Uma, <b>Malkoti, A.</b>, Vedanti, N.; Dimri, V.P.; Guruhappa, H., (2022), Field scale and site-specific permeability of sandstone reservoirs using a stabilized Monte–Carlo algorithm: A case study, Geophysics, 87(6):B337–B350,DOI:10.1190/geo2022-0255.1 .</a></li>
<li><a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">
<b>Malkoti, A.</b>, Hanasoge, S.M., & Plessix, R.E. (2022). Upscaling Acoustic Wave Equation using Renormalization Group Theory, Geophysics, 87(4):T281, DOI:10.1190/geo2021-0572.1</a></li>
<li><a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">
<b>Malkoti, A.</b>, Datta, A., & Hanasoge, S. M. (2021). Rayleigh wave H/V ratio measurement from ambient noise cross-correlations, and its sensitivity to Vp: a numerical study. Geophysical Journal International. DOI:10.1093/gji/ggab228</a></li>
<li><a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">
Li, L., Tan, J., Zhang, D., <b>Malkoti, A.</b>, Abakumov, I, & Xie, Y. (2021). FDwave3D: a MATLAB solver for the 3D anisotropic wave equation using the finite-difference method. Computational Geosciences, DOI:10.1007/s10596-021-10060-3 </a></li>
<li><a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">
Vedanti, N., <b>Malkoti, A.</b>, Pandey, O. P., & Shrivastava, J. P. (2018). Ultrasonic P-and S-wave attenuation and petrophysical properties of Deccan Flood Basalts, India, as revealed by Borehole Studies. Pure and Applied Geophysics, 175(8), 2905-2930. DOI:10.1007/s00024-018-1817-x </a></li>
<li><a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">
<b>Malkoti, A.</b>, Vedanti, N., & Tiwari, R. K. (2018). An algorithm for fast elastic wave simulation using a vectorized finite difference operator. Computers & Geosciences, 116, 23-31. DOI:10.1016/j.cageo.2018.04.002 </a></li>
<li><a href="https://github.com/ajmalkoti/ajmalkoti.github.io/tree/main/z_my_articles/published_articles/">
<b>Malkoti, A.</b>, Vedanti, N., & Tiwari, R. K. (2019). A highly efficient implicit finite difference scheme for acoustic wave propagation. Journal of Applied Geophysics, 161, 204-215. DOI:10.1016/j.jappgeo.2018.12.017 </a></li>
</ol>
<h4>Expanded Abstracts</h4>
<ol reversed>
<li> <b>Malkoti, A.</b>, , Hanasoge, S.M., R. E. Plessix, (2022), Upscaling acoustic wave equation using Renormalization Group theory.
SEG Technical Program Expanded Abstracts: 2507-2511.</li>
<li> Vedanti, N., Lakshmi, K. J. P., Dutta, S., <b>Malkoti, A.</b>, Pandey, O.P., Sen, M. K., (2015),
Investigation of Petrophysical Properties and Ultrasonic P-and S- Wave attenuation in Deccan Flood Basalts, India,
SEG Technical Program Expanded Abstracts : 3274-3278. DOI: 10.1190/segam2015-5858683.1 </li>
<li> <b>Malkoti, A.</b>, Vedanti, N., Kunagu, P., and Tiwari, R. K., (2015), Modeling viscoelastic seismic wave propagation in Deccan flood basalt,
western India, SEG Technical Program Expanded Abstracts : 3764-3768. DOI: 10.1190/segam2015-5898555.1 </li>
</ol>
<h4>Conference papers</h4>
<ol reversed>
<li> <b>Malkoti, A.</b>, Vedanti, N., 2019, Efficient Seismic Simulation for a Highly Attenuating Media, International Union of Geodesy and Geophysics 27 th General assembly, Montreal, Canada.</li>
<li> Vedanti, N., <b>Malkoti, A.</b>, 2019, Petrophysical Characterization of two formations of Deccan Flood basalt for improved sub-basalt imaging, International Union of Geodesy and Geophysics 27 th General assembly, Montreal, Canada.</li>
<li> <b>Malkoti, A.</b>, Vedanti, N., Tiwari, R.K., 2017, High fidelity Numerical simulation for scaler wave. Abstract presented at AEG 39th Annual Convention at Banaras Hindu University, Varanasi, India. </li>
<li> Malik, R., <b>Malkoti, A.</b>, Vedanti, N., Dimri, V. P., 2017. 1-D Full Waveform Inversion using Micro Genetic Algorithm. Abstract presented at AEG 39th Annual Convention at Banaras Hindu University, Varanasi, India. </li>
<li> Vedanti, N., <b>Malkoti, A.</b>, Dutta, S., Pandey, O.P., 2015. Elastic Properties of Ambenali and Poladpur Formations of DVP: New Findings. National conference on Paleogene of the Indian Subcontinent, 23- 24 April, Birbal Sahni Institute for Palaeobotany, Lucknow.</li>
<li> <b>Malkoti, A.</b>, 2014, Inversion of well log data for better determination of petrophysical parameters, Abstract presented at IGU 51st Annual convention at Kurukshetra University, Haryana, India. pp.198. </li>
<!-- <li> </li>
<li> </li> -->
</ol>
<h4>PhD thesis</h4>
<ol reversed>
<li> <b>Malkoti, A.</b>, 2019. An Accurate And Efficient Viscoelastic Seismic Modeling Scheme: An Example from Deccan volcanic Province, India, Physical Science Dept., AcSIR-NGRI.</li>
</ol>
<!-- <h4> Books </h4>
<ul>
<li> List here the books </li>
</ul>
<h4> Book chapters </h4>
<ul>
<li> List here the chapters</li>
</ul>
<h4>Technical documents</h4>
<ul>
<li> List here the documents</li>
</ul>
<p><br></p>
-->
<hr />
</div>
<div id="copyright">
© <a href="http://ajmalkoti.github.io">Ajay Malkoti</a>, 2021
</div>
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