Reference
Example projects
Twelve solved projects ship with inWaves, each a complete .iwp file with its results already inside. Open one, click through the tree and read the charts to see how the model was built before you build your own.
They live under Example Projects on the welcome screen, next to New Project and Open Project…. Click a card and it opens with everything solved.
The shipped file is never touched. Press Save and inWaves asks where to put the copy, so you can change materials, re-run a solve or delete half the scene and still find the example as it shipped next time.
Rotating machines, bearings and ducted flow
Fan rig: pure MBD (coupled solve)
A driven shaft in two ball bearings. Nothing about the bearing behaviour is prescribed: the cage speed, the passing lines and the chassis vibration all emerge from contact in the multibody run. Open the vibration spectrum and find the cage and passing frequencies nobody entered.
AHU fan + FLOW: 6205, INNER-race defect (BPFI)
An air-handling-unit fan solved together with its air volume: lattice-Boltzmann flow, blade loads, duct pressure and near-field sound from one coupled run. The inner-race defect modulates the inner-race ball-pass frequency at shaft speed as the fault turns through the load zone.
Cooling tower fan + FLOW: 6312, OUTER-race defect (BPFO)
The same coupled treatment on a large, slow machine, with the lowest blade-passing tone in the fleet resolved inside the duct. Use it as the low-frequency end of the range when judging whether your own grid resolves the tone you care about.
Ex-proof fan + FLOW: 6216, HEALTHY reference
Coupled flow at 58 m/s tip speed, with a healthy bearing: the strongest jet and the loudest aerodynamic contribution of the set. This is the baseline the three faulted fans are read against.
ID fan + FLOW: 6220, ash IMBALANCE + outer-race defect
A centrifugal induced-draught fan with a combined fault, which is what field data usually looks like. Ash build-up unbalances the rotor, the unbalance sweeps the load zone across a fixed outer-race spall, and the BPFO family comes out modulated by 1× sidebands. Those sidebands are the interaction of the two faults, not a third fault.
Propellers and aeroacoustics
İHA pervanesi: Ø381 3 kanat + AKIŞ, kusursuz referans
A 15-inch three-blade UAV propeller at 4000 rpm with its motor and arm below it, solved together with the air. Every radius carries a real NACA section, twisted to a constant geometric pitch. The microphone at one metre hears both the body's structural radiation and the radiation of the fluctuating force on the air (the Curle dipole). The 200 Hz blade-passing tone is written nowhere; it comes out of the time behaviour of the force.
İHA pervanesi: BİR KANATTA çarpma hasarı (geometride)
The same machine, the same script, the same speed. The only difference is material removed from the CAD solid: a notch 5 mm deep and 16 mm wide on the leading edge of one blade, at 80% radius. No unbalance, mass or force is entered anywhere. The missing 0.118 g moves the centre of gravity 277 µm off axis, the shaft frequency at 66.7 Hz rises by 7.5 dB at the one-metre microphone, and 1× sidebands open around the blade-passing tone while the tone itself stays put. Open it next to the healthy reference and compare the two spectra.
The thin blade is not resolved finely enough at the immersed boundary to produce lift correctly, so absolute thrust and efficiency are not validated. The pair shows the difference between two geometries under identical conditions. Read it as a condition-monitoring result, not a propeller design result.
Instruments and pre-tension
Gitar: ön gerilmeli elemanlar, gövde ve içindeki hava
Six pre-tensioned steel elements totalling 674 N, attached at both ends to a wooden body, solved to 1300 modes up to 7121 Hz. Strings and body are one structure sharing common nodes, which is why string and body modes couple. The air in the body and the sound hole form a Helmholtz resonator, and the microphone at one metre records a 95 dB SPL peak.
Bağlama: üç kurs, yan ses deliği
A short-neck bağlama: carved bowl, a 2.5 mm spruce top with no bracing, 700 mm string length, 1043 modes to 6991 Hz. Seven strings in three courses (2+2+3) carry 204 N in total, a third of the guitar. The air in the bowl breathes through a 24 mm hole in the side wall, so the low-frequency output leaves from the side rather than the top plate. The plectrum strikes each course separately (upper, middle, lower) and then taps the top twice, so you can hear unison strings pulling on each other through the bridge.
Suspension and pneumatics
Hava körüğü: iletim oranı (basınçlı kavite)
A double-convoluted Ø200 rubber bellows with Ø160 steel plates, 4 bar of air inside (2.5 L, measured from the surface), carrying a ~49 kg load platen. A base acceleration sweep drives it, and the transmissibility peak moves 9.2 Hz uncharged → 9.8 Hz at 4 bar → 10.1 Hz at 8 bar. That shift is γ·p·S²/V emerging from the cavity coupling, not a spring element added to the model. Isolation at 3f is −19 dB, and the pre-stressed modal run reports 19.3 mm of static inflation.
The wall is modelled as a cordless isotropic rubber, so it inflates radially and shunts the gas instead of pushing it. Real bellows have cords for exactly this reason. The corded limit, where stiffness comes from the gas law alone, is the next example.
Hava körüğü: MBD gaz yayı
The smallest project in the set. A 722 kg rigid load is dropped onto a gas-spring element in the scene (Ae 177 cm², V₀ 2.5 L, 4 bar). No spring rate is entered anywhere: the force comes out of p·Vγ = constant at every time step. The oscillation that emerges is 1.75 Hz, and the closed form of the same gas law says 1.76 Hz. Open the displacement trace and measure the period.
Impact and contact
Tumbling drum
Twenty steel balls in a Ø240 × 300 mm drum rotating at 45 rpm. Impact events, Hertzian contact pulses, the lift-and-drop rhythm of the lifter bars and 91 dB SPL at one metre, all out of the rigid-body simulation. Open it to see what contact-generated sound looks like in the time domain.
What they cost to open
Most of a project's size is stored results. The welcome-screen card shows each size before you open it.
| Size on disk | Examples | Practical note |
|---|---|---|
| Under 10 MB | The MBD gas spring, the air spring, the tumbling drum | Open instantly. Start here to see how a project is put together. |
| 60 – 180 MB | The fan rig, the bağlama, the four coupled-flow fans, the two propellers, the guitar | Loading takes a moment and the 3D scene is heavy. Close other projects before opening one. |
The guitar modal example holds so many modes that it needs around 4 GB of memory. Open it with nothing else running, and do not re-solve it alongside another heavy example. The other large examples are demanding but not in this class.
Pick the example closest to your own machine and find the number you would have had to assume: the cage speed, the blade-passing tone, the spring rate. In these projects that number is an output. Check whether the same quantity in your model is an output or an input. That difference is usually where a surprising result comes from.
The example names above follow the welcome screen; several are in Turkish in both language versions of the application because that is how the files are named.