List of Various Engineering Projects

Below is a list of titles from some of the consulting projects DRD Technology has performed.

Telecommunication Applications

Three-Dimensional Stress Analysis of a Support Bracket Assembly Subjected to Earthquake Loading
Nonlinear Three-Dimensional Stress Analysis of an Electronics Enclosure Subjected to Static And Thermal Loading
Three-Dimensional Harmonic Response Analysis of an Indoor Electronics Cabinet
Three-Dimensional Stress Analysis of Several Card Cage Components Subjected to Static Loading
Snap Fit Finite Element Simulation of a Cellular Phone Antenna Cover and Frame
Three-Dimensional Steady-State Thermal Design Optimization Analysis of a Heat Sink
Three Dimensional Transient Thermal/Stress Analysis of a Super Ball Grid Array
Stress and Vibration Analysis of an Electronics Cabinet including Static, Response Spectrum and Random Vibration Loads
Nonlinear Steady State and Transient Thermal Analysis of an Electronics Cabinet including Effects of Convection and Radiation Heat Transfer
Modal and Bellcore Zone 4 Seismic Analysis of a Telecommunications Chassis
Nonlinear Static Analysis of a Plug Insertion Process to a Telecom Jack with Lead Wires
Three-Dimensional Seismic Analysis of Telecommunications Rack with One and Three Shelves
Transient Thermal and Nonlinear Thermal-Stress Analysis of a Chip Package during Welding
Nonlinear Static Analysis of Two Versions of an Electrical Lead Including the Effects of Large Deflections and Plasticity
Three Dimension Transient Dynamic Drop Test of a Cellular Phone Antenna
Nonlinear Thermal and Thermal-Stress Analysis of a Telecommunications Cabinet including the Effects of Solar Radiation, Free Convection and Nonlinear Contact
Three Dimensional Harmonic Response Analysis of a Electronics Chassis

Oil Field Applications

Material Nonlinear (Elastic Plastic) Stress Analysis and Fracture Mechanics Analysis of a Wellhead Housing Systems
Three-Dimensional Stress Analysis of a Sucker Rod Elevator Bail and Body Subjected to Static Loading
Nonlinear Transient Dynamic Analysis of a Drill Collar Striking a Composite Marine Riser Tube including the Effects of Nonlinear Contact and Large Deflections
Three-Dimensional Stress Analysis of 1" Solid and 7/8" Hollow Sucker Rods Subjected to Pure Torsional Loading
Three-Dimensional Nonlinear Large Strain Plasticity Stress Analysis of a Sucker Rod Elevator Bail Subjected to Static Loading
Three-Dimensional Static Structural Analysis of a Drilling Mast
Nonlinear Stress Analysis of a 1" 10 Pitch Sucker Rod Connection Subjected to Make Up and Service Loads Including the Effect of Plasticity and Sliding Contact
Nonlinear Stress Analysis of a 1-1/8" 8 Pitch Sucker Rod Connection Subjected to Make Up and Service Loads Including the Effect of Plasticity and Sliding Contact
Nonlinear Stress Analysis of a  Hollow 1-1/8" 8 Pitch Sucker Rod Connection Subjected to Make Up and Service Loads Including the Effect of Plasticity and Sliding Contact
Three-Dimensional Turbulent-Incompressible Fluid Flow Effects Upon a Rod Centralizer
Stress Analysis of Sucker Rods Under Combined Axial and Torsion Loading and Comparison to Other Sucker Rods Designs
Three Dimensional Turbulent-Incompressible Fluid Analysis of a Flapper Valve.
Three-Dimensional Turbulent-Incompressible Fluid Flow Analysis of a Control valve
Nonlinear Three-Dimensional Static Analysis of an Oil Field Flapper Valve Using the Substructuring Technique
Nonlinear Three-Dimensional Static Analysis of an Oil Field Flapper Valve Using the Submodeling Technique
Nonlinear Stress Analysis of an Axisymmetric Oilfield Threaded Connection Subjected to Axisymmetric and Nonaxisymmetric Loads
Stress Analysis of Flex Joint Assembly
Nonlinear Transient Dynamic Slam Shut Stress Analysis of a Curved Flapper Valve
Three Dimensional Analysis of Three Oil Field Flapper Valve Designs including the Effects of Nonlinear Contact
Three-Dimensional Stress Analysis of Equalized and Nonequalized Oil Field Flapper Valve Designs
Stress Analysis of Original and Modified Designs of a Nipple Adapter
Three-Dimensional Stress Analysis of an API Specified Sucker Rod Body, Upset Bead and Wrench Square Rod Section with Axial and Bending Loads
Nonlinear Finite Element Analysis of a Threaded Correction

Consumer Product Applications

Stress Analysis and Design Optimization and Stress Analysis of Two Wrenches including the Effects of Nonlinear Contact and Plasticity
Design Optimization and Stress Analysis of 3/4" Wrench including the Effects of Nonlinear Contact and Plasticity
Stress Analysis of 36 Quart Thermoelectric Cooler Liner
Nonlinear Transient Dynamic Analysis of a Washing Machine Subjected to 20% Out of Balance Loading
Two-Dimensional Axisymmetric Computational Fluid Flow Analysis of an Oven Cavity
Three Dimensional Turbulent Incompressible Fluid Flow Analysis of a Halogen Light Assembly
Three-Dimensional Stress Analysis of the Driver and Socket End of a Universal Impact Socket
Simulation of Computer Disk Drive Shock Test Using Explicit Transient Dynamic Finite Element Analysis
Three-Dimensional Static Thermal/Stress Analysis of a Freezer Door Design
Two dimensional Turbulent-Incompressible Fluid Flow Analysis of an Airfoil with a Trailing Edge Rotating Cylinder
Three-Dimensional Static Structural Analysis of a Refrigerator Cabinet
Stress and Fatigue Life Analysis on Motorcycle Fender Tabs and Clamp
Three Dimensional Stress and Buckling Analysis of a Sheetmetal Range Rear Cover
Three Dimensional Stress Analysis of a Range Drawer Handle
3D Linear Static Stress Analysis of an Oven Hinge Channel using the Original and First Revised Weld Configurations
Three-Dimensional Stress Analysis of the Leg for a Step Exercise Machine
Three Dimensional Stress and Modal Analysis of a Lawn Mower Frame
Nonliear Large Deflection and Buckling Analysis of a Rectangular Speaker Roll using Static and Explicit Dynamics Solutions
Three-Dimensional Static Analysis of a Surface Condenser Unit
Three-Dimensional Structural Analysis of a Cartridge Filter Assembly

Medical Device Applications

Three-Dimensional Structural Analysis of Eleven Eye IOL designs with Nonlinear Contact and Large Deflections
Three-Dimensional Static Structural Analysis of a 20 Diopter Lens with Nonlinear Contact, Large Strains and Large Deflections
Three Dimensional Hyperelastic Analysis of a Mini-Incision Lens
Large Deflection Structural Analyses of Three Eye Milled IOL Lenses with Frictional Contact

Aircraft Applications

Mode Frequency and Frequency Response Analysis of a Flight Trainer Tilt Base
Three-Dimensional Static and Dynamic Analysis of the C-17 Cargo Compartment Trainer Base
Vibration Analysis of a Flight Trainer Tilt Base
Three-Dimensional Stress Analysis of a Aircraft Cabin Support Structure
Three-Dimensional Stress Analysis of a Flight Simulator Motion Base and Universal Joint

Heavy Equipment Applications

Three-Dimensional Stress and Fatigue Analysis of a Truck Axle Box Subjected to Static Loading
Nonlinear Three-Dimensional Stress Analysis of a Truck Spindle and Kingpin Subjected to Static Loading
Three-Dimensional Stress Analysis of a Transmission Housing Subjected to Operational Loading
Three-Dimensional Stress Analysis of Six Versions of a Hoist Cylinder Mounting
Three-Dimensional Modal and Stress Analysis of a Vehicle Platform and Ladder
Stress Analysis of a Cylinder Block Using the ANSYS Finite Element Code
Three Dimensional Stress Analysis of a Paver Body Assembly Subjected to Operational Loading
Two-Dimensional Axisymmetric Stress Analysis of a Bolted Flange Connection with Nonaxisymmetric Harmonic Loadings
Three-Dimensional Stress Analysis of a Ductile Iron Flywheel Housing Subjected to Operational Loading
Nonlinear Large Deflection and Buckling Analysis of a Truck Mounted Crane
Stress Analysis of a Loader Standard Lift Arm
Stress Analysis of a Loader High Lift Arm
Nonlinear Static Analysis of a Extended Boom Crane Glove
Three-Dimensional Nonlinear Structural Analysis of Shafts with Low Torque Spline Locks
Three-Dimensional Nonlinear Structural Analysis of Shafts with High Torque Spline Locks
Three-Dimensional Press-Fit Joint Analysis of Sealing Ring Holders under Maximum and Minimum Interference
Three-Dimensional Structural Analysis Of a Swing Post Subjected To a Maximum Digging Force and Full Swing Torque
Nonlinear Static Analysis of a Diesel Engine Carrier and Cover including Seal Behavior
Three Dimensional Stress Analysis of a Parking Pawl Subjected to Operational Loading
Three Dimensional Nonlinear Stress Analysis of a Hydrostatic Transmission Block and Bushing Assembly including the Effects of Interference Fit, Plasticity, and Stress Relaxation
Nonlinear Three-Dimensional Stress Analysis of a Lateral Control Mount and Frame Bracket Subjected to Static Loading
Three-Dimensional Stress Analysis of a Jack Weldment Subjected to Static Loading
Three-Dimensional Stress Analysis of a Tractor Mount Step Assembly
Hyperelastic Analysis of Seal and Groove Assembly Process
Two-Dimensional Structural Analysis of a Chip-in-Saw Machine Cutter Insert and Mount Assembly

Electromagnetic Applications

Magnetostatic Analysis of a Magnetic Tape Eraser
Magnetostatic Analysis of an Alternator with a Permanent Magnet
Magnetostatic Analysis of an Automotive Clutch to Investigate Sensitivity to Steel Permeability and Armature Plate Slots
Magnetostatic Analysis of A DC Electric Motor
Harmonic AC, Linear Transient, and Nonlinear Transient Analysis of an AC Solenoid including the Effects of Magnetic Saturation
ANSYS Finite Element Analysis of an AC Solenoid and Comparison to Measured Results

Heat Exchanger and Waste Recovery Applications

Steady State and Transient Thermal Stress Analysis of a Waste Heat Boiler Shell and Tube Heat Exchanger
Steady State Thermal Stress Analysis of a Waste Heat Boiler Shell and Tube Heat Exchanger
Top Down Design of a Gas Turbine Exhaust Stack Section
Three Dimensional Nonlinear Contact Analysis of Two Stainless Steel Water Tanks
Three-Dimensional Computational Fluid Flow Analysis of a Water Treater Unit
Three-Dimensional Stress Analysis of a Pressure Vessel Flange including Nonlinear Contact Between the Gasket and Flange

Antenna Dish Applications

Nonlinear Stress Analysis, Eigenvalue, and Nonlinear Buckling Analysis of a Solar Collector Assembly Including the Effects of Large Displacements
Nonlinear Large Displacement Analysis of a Solar Collector Rear Membrane
Transient Dynamic Analysis of an Antenna Tower Structure Subjected to Base Acceleration
Random Vibration Analysis of an Antenna

Concrete Applications

Three Dimensional Linear Static Stress Analysis of a Prestressed Concrete Structure with Embedded Steel Plates
Three-Dimensional Static Analysis of a Reinforced Concrete Building Including the Effects of Cracking and Creep
Three Dimensional Normal Modes and Harmonic Acoustic Simulation of a Concrete Vibrator System in Air and Wet Concrete including the Effect of Fluid-Structure Interaction
Three Dimensional Normal Modes and Harmonic Acoustic Simulation of Four Concrete Vibrator Systems in Air and Wet Concrete including the Effect of Fluid-Structure Interaction.

Various Other Applications

Static and Transient Dynamic Analysis of a 120mm KE Projectile
Static, Dynamic, and Vibration Analysis of a Telescope Support Structure
Blast Analysis of a Roof Section
Study of Blast Analysis Techniques for an Earth Covered Aluminum Press Control Room
Finite Element Study of the Propagation of Elastic Waves Through an Axisymmetric Medium
Nonlinear Stress Analysis of a Ten Foot Diameter Explosion Vent Including the Effects of Large Deflections and Plasticity and Snap-Through Buckling
Three-Dimensional Linear Stress and Prestressed Model Analysis of a 48" Tube Axial Fan, a 24.5" Centrifugal Fan, and a 48" 3 Horsepower Axial Fan
Three-Dimensional Kinematic Motion and Stress Analysis of an Amusement Ride Subjected to Operational Loads
Three Dimensional Stress Analysis of the Condenser Tube in an Icemaker
Three-Dimensional Stress Analysis of the Condenser Tube in an Icemaker including Determination of Internal Pressure Loads Through Automatic Optimization
Three-Dimensional Transient Thermal and Thermal-Stress Solution of an Icemaker