The Engineer's Calculator Suite
Thermal
Thermal Management Suite
Conduction/convection/radiation, R-networks, TEC, transients.
Thermal
Thermal Expansion & Mismatch
CTE mismatch, bi-material curvature, solder fatigue (Coffin-Manson).
Thermal
Thermodynamic Cycles
Carnot, Brayton, Otto, combined cycle, COP.
Thermal
Thermoelectric
Peltier Cooling, Figure of Merit ZT, TEG Power & Efficiency.
Tolerances
Tolerance Stack-Up Analyzer
Worst case, RSS, Benderized, Cpk & Monte Carlo with yield %.
Tolerances
GD&T
True position, Bonus & Virtual Conditions, Feature control frames, Tolerance Zone Reference
Dynamics
Vibration, Shock & MIL-Spec
PSD Grms, Miles' equation, transmissibility, shock & fatigue.
Sealing
O-Ring & IP67 Seal Designer
Squeeze/fill/stretch, groove design, temperature sweep.
Aero
Aerodynamics
Flow parameters & regimes, Wing lift & Drag, Boundary Layer
Aero
Rotor & Propeller
Momentum, Actuator disk, Hover Power, Disk Loading, Figure of Merit, Tip Mach
Aero
Compressible Flow & Nozzle
Isentropic relations, choked flow, area ratio, thrust sizing.
Structural
Structural & Fatigue
Stress, buckling, von Mises, S-N, Goodman, crack growth.
Materials
Corrosion & Cathodic Protection
Faraday rate, galvanic area ratio, anode sizing, remaining life.
RF
RF Link Budget
Friis, FSPL, antenna gain/aperture, VSWR, array steering.
EM
Magnetics & EM Loads
Coil fields, magnetic pressure, Larmor radius, stored energy.
Astro
Orbital Mechanics
Vis-viva, Hohmann transfer, plane change, J2 regression.
Vacuum
Vacuum System Designer
Gas load, conductance networks, pump-down curves, MFP, Knudsen.
Nuclear
Radiation Shielding & Dose
Attenuation, HVL/TVL, buildup, dose rate, decay, neutron removal.
Electronics
PCB & Signal Integrity
Microstrip Z₀, trace current, reflection, decoupling.
Optics
Optics Calculator
Lens & FOV, Gaussian beams, diffraction, detector metrics.
Signals
DSP & Sampling
Nyquist · aliasing · FFT bin width · PSD units
Acoustics
Acoustics & Ultrasonics
Speed/impedance, reflection, dB, Doppler, transducer beam & pulse-echo.
Semiconductor
Process & Litho
Deal-Grove oxidation, Rayleigh resolution, etch, deposition, sheet R.
Semiconductor
Devices & Interconnect
p-n junction, MOSFET I_D, RC delay, electromigration, photonic link.
Semiconductor
Wafer Yield & Economics
Gross die/wafer, defect yield models, cost/die, KGD stacking.
Mechanisms
Mechanisms & Linkages
DOF, Grashof, Gears, Slider-Crank.
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