Thermodynamically Regulated Mode Structure for Adaptive Soft Matter: A GENERIC-Control Reduction (Secondary Note)
Abstract
This note presents a secondary, application-facing condensation of the unification framework of Ref. [4] for audiences in adaptive control, biophysics, and soft-matter theory. The core claim is structural: across both equilibrium and far-from-equilibrium regimes, regulated systems may be viewed as fast mode dynamics embedded in a slowly evolving thermodynamic manifold. In the forced-GUT (high-energy / effectively non-dissipative) limit, the framework exposes an equilibrium component manifold-a non-dissipative thermodynamic locus that acts as a self-consistent reference state for otherwise far-from-equilibrium adaptive soft-matter and biophysical dynamics. Functionally, this plays the role of an intrinsic reference architecture analogous to stochastic control, enabling physically grounded inference and controller design. We retain only the minimal linearization and stochastic-response statements needed for practical use. Linearizing the reduced GENERIC dynamics about a reference manifold point yields ẋ(t) = Jx(t) with the modal solution x(t) = i cie λ i (t−t 0) vi. In the stochastic linear case, ẋ(t) = Jx(t) + B ξ(t), the same eigenstructure governs the deterministic response while the noise term ξ(t) provides the driving "script" of the system via the convolution integral. Here x(t) is interpreted as the deviation (distance vector) from the equilibrium component manifold, with the GENERIC balance structure supplying the self-consistent manifold reference and the return dynamics toward it. Finally, we clarify the domain hierarchy implied by the framework: adaptive/biological systems form a regulated subclass of active matter, which itself is a subclass of dissipative soft matter. In this sense, "adaptive" behavior corresponds to soft-matter dynamics supplemented by internal regulation that drives the system toward an entropy-balanced manifold. This work is to be a presentation at APS global summit.
Fields of Study & Subjects
Advanced Thermodynamics and Statistical Mechanics
Advanced Materials and Mechanics
Complex Systems and Dynamics
Publication details
- Publication date
- 9 February 2026
- Language
- EN
- Document type
- Preprint