The phrase "a substantial simplification of" is correct and usable in written English.
You can use it when discussing a significant reduction in complexity or difficulty regarding a concept, process, or system.
Example: "The new software update provides a substantial simplification of the user interface, making it easier for users to navigate."
Alternatives: "a significant reduction in" or "a major streamlining of".
This approximation yields a substantial simplification of analysis and computations and does not require any iterative and trial-and-error calculations.
This is shown here with a quasi-2D (Q2D) algorithm for the special case of a quasiperiodically forced map, which allows for a substantial simplification of the general case described in Krauskopf and Osinga (1998).
Treaitng the semantics of natural language expressions concerning space in this way offers a substantial simplification of the general problem of relating natural spatial language to its contextualized interpretation.
The key idea of this approach lies in the decomposition of the full system into a subsystem exhibiting fast dynamics and to a subsystem with slow dynamics, resulting in a substantial simplification of the stability analysis.
In a previous study, a substantial simplification of the aforesaid procedure was achieved, by correlating the experimental data with an empirical formula, allowing to obtain a mathematical description of the boundaries of the flammable cloud.
All this allows a substantial simplification of the equations describing the flow of the thin paint film.
A substantial simplification results for the modelling of the system and the analysis.
Though this was accompanied by substantial simplification of the tariff structure, the imposition of an import licence commission and a withholding tax on imports raised concern about Ugandas commitment to narrowing the gap between applied and bound rates.
Mice had breathing difficulties after the first week exhibiting enlarged air spaces with substantial simplification of lung alveolar structure, larger lung capacities leading to abnormally elevated carbon dioxide (hypercapnia) and deficiency of oxygen (hypoxaemia) in the blood.
