Vacuum System: Pumpdown & Beamline
Gas-load budget, pumpdown curve, beamline pressure profile, buckling screens.
Radiation Shielding Attenuation
Gamma/neutron attenuation and dose rate vs shield material and thickness.
Rocket Nozzle & Engine Performance
Nozzle expansion, thrust, and Isp from chamber conditions.
Orbital Maneuvers & Delta-V Budget
Delta-v budgets for transfers, plane changes, and rendezvous.
Bolted Joint Margins
Preload, separation, and strength margins for bolted joints.
Composite Laminate Analysis (CLT)
Classical laminate theory: ABD stiffness, ply stresses, failure indices.
Random Vibration: PSD / Miles / GEVS
Miles-equation responses and GRMS from PSD launch/flight environments.
RF & Radar Link Budget
RF/radar link budgets: EIRP, path loss, noise, and SNR margins.
Rigid Coax / RF Transmission Line
Rigid coax design: impedance, attenuation, power rating, corona, and VSWR conversions.
Rectangular Waveguide (TE10)
Waveguide TE10: mode cutoffs, single-mode band, guide wavelength, attenuation, and power.
RF Cavity Band-Pass Filter / Combiner
Cavity band-pass filter / combiner: order, insertion loss, selectivity, and isolation.
Pressure Vessel Quick-Sizer
Shell/head thickness and stress screens for internal pressure.
Heat Sink & Thermal Network
Junction-to-ambient thermal screen for finned heat sinks: Tj, margin, sink resistance, and h vs airflow.
Battery Pack Sizing
S/P layout, energy, C-rate margins, I2R heat + adiabatic temp rise, and mass/volume from cell presets or a custom cell.
Spacecraft Power Budget
Solar array + battery sizing for a circular Earth orbit: Kepler period, eclipse fraction, EOL degradation, DoD-limited battery, masses and margins.
Spacecraft Radiator Sizing
Radiator area/mass for spacecraft heat rejection with sink-temperature presets and sun-facing penalties
Cryo Propellant Boiloff
Cryogenic tank heat leak -> boiloff %/day, vent loss, and lock-up pressure-rise for LH2/LOX/LCH4/LHe
Re-entry Heating Screen
Ballistic entry screen: Allen-Eggers trajectory, Sutton-Graves peak heating + heat load, peak g, heat-sink TPS dT check (Earth/Mars).
Antenna Gain & Beamwidth
Antenna gain, beamwidth, first-null, and near-field estimator for dishes, horns, patches, dipoles, and phased arrays with a grating-lobe check.
Laser / Free-Space Optical Link Budget
Laser comms link margin: divergence, spot, capture, pointing jitter, photons/bit vs detector need
O-Ring Gland (AS568)
AS568 static o-ring gland: squeeze/fill/stretch checks, groove recommendations, extrusion-gap screen
Column & Plate Buckling
Johnson-Euler column and classical plate buckling with margins vs applied stress
Shaft & Spur-Gear Quick-Size
Size a transmission shaft and check a spur-gear mesh from power and speed, bounded first-pass diameters, stresses, and module.
Electric Propulsion (Ion/Hall)
Ion/Hall thruster thrust, mass flow, beam voltage and Tsiolkovsky mission sizing with bounded results
Launch Ascent Trajectory (3-DOF)
Fly a 1-3 stage launcher to burnout: gravity-turn ascent sim with a reconciled gravity/drag/pressure loss ledger, max-Q, apogee, rotation credit, and orbit-insertion margin.
Laminate Layup Optimizer
Enumerative symmetric+balanced stacking-sequence optimizer over the CLT engine: pick loads and an angle set, get the thinnest (or strongest) layup with first-ply-failure margins, a top-10 ranking, and a Pareto scatter of the whole search space.
Structural Modes Quick-Look
Will it ring in the band? Exact Euler-Bernoulli beam modes (4 classical BCs, tube/bar/custom sections) and SS-plate (m,n) frequencies, each beam answer double-checked by a consistent-mass FEM eigensolve to <1%. Adds a Dunkerley lower bound for an attached mass, plots the first three mode shapes, and lays the frequency ladder over your 20-2000 Hz (or any) excitation band with margin and modes-in-band counts, feed the in-band modes straight into Tool 29 for RMS response.
2-D Structural FEA (screening)
Pick a section, a load and a material, get a real FEA von Mises map, peak deflection, natural frequencies and a yield safety factor, with bounds that widen by the measured mesh-convergence error.
Design-Space Optimizer (any tool)
Turn any tool in the suite into an optimizer: give it a knob or four, an objective, and optional constraints, it searches the design space with a seeded LHS + Nelder-Mead strategy and hands back the best feasible design, the improvement over your current default, and the full evaluation audit trail.
Heat Exchanger Sizing (LMTD / e-NTU)
Two-stream HX screen: duty-to-area sizing or UA-to-duty rating via exact e-NTU closed forms, LMTD F-factor cross-check, vendor-class U presets and fouling, with bounded results.
Fatigue Life (S-N, Mean Stress, Miner)
Predict cycles to failure, Miner damage, and safety factors for cyclically loaded parts, with mean-stress correction, notch sensitivity, and honest order-of-magnitude life bounds.
Fracture & Crack Growth (LEFM / Paris)
Will that flaw grow, and how long do you have? Pick a crack geometry, a stress cycle, and a material class (or your own KIC/Paris data) and get the critical crack size, cycles to failure, and the inspection window from detectable to critical - with honest, propagated uncertainty bands on every headline number.
Compressible Flow Tables
Replaces the appendix gas tables: exact perfect-gas isentropic ratios, shock jumps, Fanno friction and Rayleigh heat-addition functions at any Mach number - or invert an area ratio, pressure ratio, friction length or stagnation-temperature ratio back to Mach - plus the choking margins that tell you how much duct or heat the flow can take before it chokes.
Helical Spring Design
Size a helical compression spring in seconds: enter wire diameter, coil OD (or spring index), coils, free length, and two working loads or lengths, and get the rate, Wahl-corrected stresses, static and fatigue safety factors (music wire, oil-tempered, chrome-silicon, or 302 stainless), solid-height set screen, buckling and surge checks, with honest 90% uncertainty bounds on every headline number.
Rolling Bearing Life (L10)
Feed it the catalog C rating, the loads, and the speed; get back L10 in Mrev and hours, the equivalent load P, C/P, and a reliability- and lubrication-adjusted life with honest bounds, a bearing-selection sanity screen before you commit to a part number.
PCB Trace Current & Impedance
Size a PCB trace in seconds: how much current it can carry (IPC-2221 with a modern IPC-2152 reality check), what it drops and dissipates, and whether it hits your target impedance.
Spacecraft Thermal Balance & Momentum Sizing
Hot/cold-case node temperatures, heater watts, radiator trim area, per-orbit momentum and a wheel-class suggestion, the whole first-cut bus thermal + ADCS sizing loop in one bounded screen.
Relief Valve Sizing (API-520-style)
Overpressure-protection screen: pick gas, liquid, or steam service, enter the relieving rate and set/back pressures, and get the required effective orifice area, the API 526 letter that covers it, and the capacity margin, with honest uncertainty bounds and a unit round-trip cross-check.
Motor & Actuator Sizing
Move profile -> reflected inertia -> peak/RMS torque, winding temp rise, and inertia-ratio checks against NEMA stepper / BLDC servo presets.
Parameter Sweep & Monte-Carlo (any tool)
Sweep or Monte-Carlo any other tool: 1-D/2-D sweeps (line/contour) or +/-band MC (P5/P50/P95 histogram) of any numeric output, probe-timed with a 60 s runtime guard.
Machining Parameters & Tool Life
Will that cut fit your machine, and how long will the insert last? Enter speed, feed and depth; get MRR, spindle power margin, Taylor tool life and cycle time with honest uncertainty bands.
Weld Thermal: Heat Input, Cooling Rate & Preheat
Will your weld pass cool too fast? Enter volts, amps, travel speed and plate, get heat input, t8/5, cooling rate, HAZ width and the preheat your carbon equivalent demands, with honest uncertainty bands.
Casting Solidification & Riser Sizing
Size a casting riser in seconds: Chvorinov freeze time, modulus + feed-volume riser rules, D x H, and casting yield, with honest bounds on every flagged foundry class value.
Sheet Forming: Press Tonnage & Deep Draw
Press-shop screen, companion to the sheet-metal bend tool: enter the operation, material and geometry and get bounded press tonnage, blankholder force, draws needed and the next-size-up standard press, with every die-design class value (shear/UTS typicals, die factor, LDR, reduction ratios) flagged for verification.
Additive Build Time & Cost Screen (LPBF)
How long will your metal 3D-print run and what will each part cost? Pick a material and machine class, enter the part volume and bounding box, and get bounded build-hours, powder mass and cost-per-part, plus how much cheaper each part gets as you fill the build plate.
Inventory Policy: EOQ & Safety Stock
How much to order, when to reorder, and how much buffer stock a service level really costs, EOQ, reorder point, safety stock, annual cost and implied fill rate in one screen.
Learning Curve: Lot Hours & Cost
Defense-procurement learning-curve estimator: lot-by-lot hours and burdened cost under both Crawford unit theory and Wright cum-average theory, exact discrete summation, mid-curve follow-on offsets, and bounded answers from an always-on learning-rate scatter band.
Process Capability & Acceptance Sampling
Is your process capable, and is your inspection plan actually protecting you? Cp/Cpk + PPM from your own measurements, plus exact-binomial OC-curve evaluation and design of single-sampling plans (AQL/LTPD, AOQL, ATI), with confidence intervals and honest caveats built in.
Landed Cost & Make-vs-Buy
Should you buy it overseas or make it in-house? Itemized landed cost, amortized make cost, exact breakeven volume, multi-year TCO, and a volume-sensitivity check, with honest uncertainty bands on all four answers.
Dual-Sourcing Split & Disruption Risk
How much of the buy should the cheap supplier get? Sweeps the sourcing split against disruption risk (5000 seeded Monte Carlo trials per split) and hands you the optimal allocation, the risk-averse alternative, and the breakeven premium for the second source.
Panel-Method Aerodynamics (Airfoil + Wing)
Vortex-panel airfoil + lifting-line wing screen: Cp(x), Cl, Cm_c/4, lift slope and zero-lift angle from the panel solve; CL, CDi, span efficiency e and spanwise loading vs the elliptic ideal from LLT; dimensional lift/drag at q with bounded 90% intervals and panel-convergence honesty.
1-D Compressible Flow Network
Size gas manifolds and vent/feed lines in seconds: describe the network in one line, get node pressures, per-branch flows and choked-edge warnings with honest uncertainty bands.
Transient Thermal FEA (2-D)
How hot does it get, where, and how fast? Tool 87 time-marches a true 2-D finite-element conduction model of your part, heated edges, cooled edges, embedded inclusions, holes, and reports the peak temperature, its location and timing, probe curves and the time to reach steady state, cross-checked against a direct steady solve and an exact energy balance.
1-D Plasma PIC Simulator
Watch a plasma compute itself: a real kinetic particle-in-cell simulation, Langmuir oscillations, two-stream instability growth, and a simple wall sheath, with measured-vs-theory anchors and honest conservation diagnostics, right in the browser.
2-D Incompressible CFD (SIMPLE)
Steady laminar 2-D Navier-Stokes screening with a genuine SIMPLE pressure-correction solver, cavity, channel and backward-step scenarios anchored to Ghia and exact Poiseuille physics, with honest grid-delta-widened bounds.
Topology Optimization (SIMP, 2-D)
Classic 88-line-style SIMP minimum-compliance topology optimization on the repo's own FEM spine: OC updates, exact volume constraint, filtered sensitivities, four canonical load cases, flood-fill connectivity check, and a coarser-grid honesty companion that widens the reported bounds.
AC Magnetics & Eddy Currents (2-D)
Solves the complex Helmholtz AC-magnetics equation on a 2-D FE mesh for three canonical eddy-current problems, busbar skin/proximity (Rac/Rdc), induction heating, and conductive shielding, with machine-precision energy balance and honest, mesh-delta-widened bounds.
Wire Antenna MoM (Dipole / Monopole / Yagi)
Solve real wire antennas in seconds: a genuine MoM electric-field-integral-equation solve (not a lookup table) gives you feed impedance, VSWR, gain, pattern, F/B and resonant length for dipoles, monopoles and 3-element Yagis, with honest uncertainty bounds and validity guards.
Power Conversion Cycles (Rankine / Brayton / sCO2 / ORC)
Marches the state points of your power-conversion cycle, steam Rankine with reheat and regeneration on IF97-exact properties, air Brayton, sCO2 recompression, or ORC, and hands back efficiency, net MWe, and the heat-rejection duty your cooling system has to swallow.
Plant Heat & Mass Balance (Flowsheet)
Type your plant as six kinds of one-line components and get the whole heat balance back: every stream temperature, every duty, pump parasitics, a pinch screen and a machine-precision energy-closure check, plus a flowsheet diagram and temperature ladder drawn straight from the grammar.
RAM: Reliability Block Diagram & Availability
Type your plant as blocks and wiring, "PUMP-A || PUMP-B -> HX1 -> (COOLER1 2of3 COOLER2 COOLER3)", and get system availability, downtime hours, annual cost, which block to fix first, and what one more redundant unit would buy.
LCOE: Levelized Cost of Energy (bounded)
Bounded LCOE screen: year-by-year DCF with IDC, degradation and decommissioning, CRF identity cross-check, component waterfall, and a sensitivity tornado, capacity factor and capex dominate, so the 90% interval is the headline.
PID Loop Tuning (FOPDT)
Process-control commissioning screen: FOPDT plant (entered or fitted from step-test data), five published tuning rules compared side by side, exact-delay closed-loop simulation of setpoint and load steps, and numeric Bode gain/phase margins, Kp/Ti/Td tables plus overshoot, settling, IAE and robustness in one report.
Calibrate: Fit a Tool to Measured Data
Turn test data into a calibrated model: Tool 104 fits any suite tool's uncertain inputs to your measurements, staying inside the declared uncertainty bands, and flags model tension when the data want to leave them.