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   Analytical Services
Valve Literature Consulting Events           Expert Testimony


The Kalsi Engineering staff has extensive experience in applying state-of-the-art analysis techniques to provide cost-effective solutions to our clients' problems. We follow a rigorous approach in developing mathematical models based on first principles as well as in applying finite element analysis (FEA) and computational fluid dynamics (CFD) techniques to solve problems involving complex fluid, thermal, mechanical, and tribological interactions.


Analysis Capabilities

  • Classical solid mechanics/stress analysis
  • Finite element analysis: static, dynamic, linear, nonlinear, elastomer
  • Fatigue and fracture mechanics
  • Fluid flow, heat transfer, computational fluid dynamics
  • Shock, vibration, impact, and seismic analysis
  • Tribology . . . friction, wear, and lubrication
  • Mathematical models and software development
  • ASME, API, ANSI Code analysis
  • Independent third-party analyses and reviews
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CFD analysis of hot gasses

CFD analysis of hot gasses flowing through a nozzle in catalytic cracker plant piping pinpointed the root cause of erosion damage to the refractory lining




Transient dynamic analysis of a geophysical float

Transient dynamic analysis of a geo-physical float subjected to impact of pressure waves led to the understanding and elimination of fatigue failures

    Analysis Examples

  • Coupled fluid flow and heat transfer CFD analysis used to determine convective film coefficients and temperature distributions in a centrifugal pump rotary seal cavity

  • Large displacement FEAs including material, geometric nonlinearities, and temperature effects to predict the performance of elastomeric components, e.g., special designs of marine bearings, seals, packings, and downhole centralizers/shock isolators

  • Elastohydrodynamic lubrication analysis to support the development of novel high load capacity journal, thrust bearing, and rotary seal concepts.

  • Shock, vibration, and heat transfer analysis of PC board assemblies subjected to severe downhole drilling conditions to prevent fatigue/overheating failures

  • Detailed thermofluid modeling of flow in the main pipe and its interaction with a dead leg branch to explain the mechanism for the observed high temperatures at the branch end
Analysis Tools

We have an extensive network of computers to support engineering analysis. Software tools include several general purpose, commercially available programs, e.g., ANSYS, FLOTRAN, PRO/Engineer, SDRC/Ideas, LabTech, Labview, and DADiSP, as well as special purpose programs developed in-house for finite element analysis, computational fluid dynamics, hydrodynamic lubrication analysis, and prediction of mechanical equipment performance.

Engineering Software Development

When required, specialized software is developed for client-specific applications and general industry use.

  • PulsTran™, a software to predict attenuation, dispersion, and deflection of pressure pulses generated downhole and transmitted to the drilling rig at the surface

  • Validated mathematical models and software to reliably predict performance of various types of valves over a wide range of operating conditions, including accident conditions

  • Hydraulic network analysis software for plant piping systems including pumps, valves, heat exchangers, etc.

  • JarPro™, a jarring analysis software, to optimize jarring tool placement when freeing stuck drill pipe

  • CVAP™, a validated program to predict wear/fatigue of valve internals and to prioritize check valve maintenance

  • KVAP™,a state-of-the-art computer program for evaluating all common types of valves and actuators used in AOV applications

  • LiFE™, a validated program to predict fatigue life of electric motor powered worm gear actuators subjected to variable-magnitude ramp loads

  • RSCAPI, a software to predict performance testing of API rotary shouldered drillstring connections
 

Training and Seminars

To train users in the application of the specialized software, seminars can be conducted either at the client’s facility, or at our Houston-area facility. Other seminar topics are ASME/API code stress criteria and its application in the design and analysis of pressure vessels and piping components; comprehensive valve and actuator design and selection, advanced check valve failure analysis; and sealing.


Training and Seminars
A mathematical model based upon first principles was developed to predict complex fluid structure interaction and buckling of electromechanical cables.
 
  

Kalsi Engineering, Inc.   745 Park Two Drive   Sugar Land, Texas  77478-2885  Tel: (281) 240-6500    Fax: (281) 240-0255

  


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