42 citations · 53 across the 12 of their papers we have counts for
13 papers
Conformal Margins for Electrical Transmission Capacity Under Fixed Balancing Policies
Sushanth Balaraman, Shriram Srinivasan, Kaarthik Sundar
This article presents a data-driven approach to minimally adjust forecast-based steady-state generation dispatch in electrical transmission networks. The goal is to manage congesti…
Steady Flow of Natural Gas in Pipeline Networks via Solution of a Nonlinear Differential-Algebraic System of Equations
Shriram Srinivasan, Kaarthik Sundar
In the consideration of steady-state flow of gas in pipeline networks, the exclusion of gravity and nonlinear inertial effects (convective acceleration) leads to a fortuitous simpl…
The Solution of Potential-Driven, Steady-State Nonlinear Network Flow Equations via Graph Partitioning
Shriram Srinivasan, Kaarthik Sundar
The solution of potential-driven steady-state flow in large networks is required in various engineering applications, such as transport of natural gas or water through pipeline net…
Hierarchical Network Partitioning for Solution of Potential-Driven, Steady-State Nonlinear Network Flow Equations
Shriram Srinivasan, Kaarthik Sundar
The solution of potential-driven steady-state flow in large networks is a task which manifests in various engineering applications, such as transport of natural gas or water throug…
Optimization of District Heating Network Parameters in Steady-State Operation
Sai Krishna K. Hari, Anatoly Zlotnik, Shriram Srinivasan +2
We examine the modeling, simulation, and optimization of district heating systems, which are widely used for thermal transport using steam or hot water as a carrier. We propose a g…
Relaxations of the Steady Optimal Gas Flow Problem for a Non-Ideal Gas
Sai Krishna Kanth Hari, Kaarthik Sundar, Shriram Srinivasan +1
Natural gas ranks second in consumption among primary energy sources in the United States. The majority of production sites are in remote locations, hence natural gas needs to be t…
Modeling and Optimization of Steady Flow of Natural Gas and Hydrogen Mixtures in Pipeline Networks
Saif R. Kazi, Kaarthik Sundar, Shriram Srinivasan +1
We extend the canonical problems of simulation and optimization of steady-state gas flows in pipeline networks with compressors to the transport of mixtures of highly heterogeneous…
Numerical Solution of the Steady-State Network Flow Equations for a Non-Ideal Gas
Shriram Srinivasan, Kaarthik Sundar, Vitaliy Gyrya +1
We formulate a steady-state network flow problem for non-ideal gas that relates injection rates and nodal pressures in the network to flows in pipes. For this problem, we present a…
Demand Response Analogues for Residential Loads in Natural Gas Networks
Fuyu Hu, Kaarthik Sundar, Shriram Srinivasan +1
Demand response for electrical power networks is a mature field that has yielded numerous efficiency and resilience benefits like managing the peaks and valleys of electricity usag…
Operation of Natural Gas Pipeline Networks With Storage Under Transient Flow Conditions
Sai Krishna Kanth Hari, Kaarthik Sundar, Shriram Srinivasan +2
We formulate a nonlinear optimal control problem for intra-day operation of a natural gas pipeline network that includes storage reservoirs. The dynamics of compressible gas flow t…
Fast Ewald summation for Green's functions of Stokes flow in a half-space
Shriram Srinivasan, Anna-Karin Tornberg
Recently, Gimbutas et al derived an elegant representation for the Green's functions of Stokes flow in a half-space. We present a fast summation method for sums involving these hal…
Landmark Placement for Localization in a GPS-denied Environment
Kaarthik Sundar, Shriram Srinivasan, Sohum Misra +2
Path planning algorithms for unmanned aerial or ground vehicles, in many surveillance applications, rely on Global Positioning System (GPS) information for localization. However, d…
A stabilized mixed formulation for unsteady Brinkman equation based on the method of horizontal lines
S. Srinivasan, K. B. Nakshatrala
In this paper, we present a stabilized mixed formulation for unsteady Brinkman equation. The formulation is systematically derived based on the variational multiscale formalism and…