Application gallery

Validated models, ready to study

One coupled solver and surrogate, applied across the ground-loop systems that matter — each model checked against measured or reference results.

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Proven on the systems engineers actually build

The three flagship cases have their own detail pages; the rest are summarized below with anchored sections.

Energy pile

A foundation that heats the building

An instrumented three-loop energy pile across a 20-day in-situ test (Faizal et al., 2016), with soil–structure interaction included.

0.42 °C vs fieldView model →

Simulated pile temperature and pile-head heave across a full-scale energy-pile heating test

Thermo-mechanical

Heating moves the foundation

A full-scale energy-pile heating test: pile temperature and pile-head heave, the coupled signature simpler tools miss.

coupled TM responseView case →

Ground heat recovery

Buried collectors and radiant floors

A buried serpentine collector for radiant-floor loops, cross-checked against a COMSOL reference to within about 0.1 °C.

vs COMSOLView case →

Validation references — energy pile: Faizal, Bouazza & Singh (2016), Geomechanics for Energy and the Environment 8, 8–29. Heating test: Laloui, Nuth & Vulliet (2006), Int. J. Numer. Anal. Methods Geomech. 30(8), 763–781. Ground heat recovery cross-validated against COMSOL Multiphysics 6.3.

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Thermo-mechanical response

Heating moves the foundation, not just the temperature

An energy pile both carries the building and exchanges heat, so warming the ground deforms the structure. That coupled response is what temperature-only tests cannot capture.

Simulation of a full-scale energy-pile heating test: pile temperature and pile-head heave across a 28-day test, with a 12-day heating phase, then recovery — **Field-scale thermo-mechanical response.** Simulation of a full-scale energy-pile heating test (Laloui et al., 2006): a 0.88 m, 25.8 m pile heated +21 °C over 12 days, then recovering. The pile temperature tracks the measurement (peak +20.7 vs +22.0 °C) and the head reproduces the heave-and-recovery character, though the peak heave is over-predicted (+5.96 vs +3.58 mm measured) — the coupled thermo-mechanical signature that temperature-only tests do not capture.

Ground heat recovery

Buried collectors and radiant floors

Beyond piles and boreholes, the same coupled solver handles shallow buried-collector and radiant-floor loops that recover heat from the ground.

Real Terra finite-element ground-temperature field around a buried serpentine ground-heat-recovery collector at the day-1 minimum — **Real finite-element collector field** at the day-1 operating minimum, cross-validated against COMSOL Multiphysics 6.3 (minimum outlet −2.58 °C vs COMSOL −2.68 °C, within about 0.1 °C).

Horizontal buried collectors and radiant-floor circuits draw on the near-surface ground, where temperature swings with the season and depends strongly on the soil around the pipe. Terra reproduces the coupled buried-collector response — the same heat, flow and ground physics that govern energy piles, applied to shallow recovery loops — so a radiant-floor or collector layout can be checked against the same validated engine rather than a separate simplified correlation.

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