What does this research mean for the field?

The KIET coupling framework demonstrates numerical stability and self-convergence in the context of vacuum baselines and bounded constraint behavior across specified coupling strengths. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The central aim is to validate the KIET coupling framework's numerical stability and performance in a controlled scenario.

February 17, 2026Open Access

KIET Project: Phase B–C Numerical Validation (Citadel Release)

Key Points

The central aim is to validate the KIET coupling framework's numerical stability and performance in a controlled scenario.
Conducted numerical validation for coupling strengths κ from 10⁻⁸ to 10⁻⁶.
Monitored Hamiltonian constraint diagnostics over multiple trials.
Established vacuum baselines for assessing performance.
Achieved an observed self-convergence order of approximately 1.85.
Identified bounded constraint behavior across the tested coupling strengths.
Generated validation reports and constraint outputs for future reference.

Abstract

This deposition archives the Phase B–C numerical validation of the KIET coupling framework implemented in the Einstein Toolkit (ETK₂024₁1, “Lovelace”). The “Citadel” validation roadmap establishes vacuum baselines, bounded constraint behavior across coupling strengths κ ∈ 10⁻⁸, 10⁻⁶, and an observed self-convergence order p ≈ 1. 85 for the monitored Hamiltonian constraint diagnostic. Included artifacts: Validation report (PDF) Parameter files and stdout logs (planned for subsequent upload) Constraint outputs (HDF5) (planned for subsequent upload) Scope Disclaimer: This work represents a numerical stability and integration study of a diagnostic toy-model coupling framework and does not constitute experimental validation of any physical propulsion mechanism. Acknowledgement: The author acknowledges the use of OpenAI’s ChatGPT (“Alexander”) as an AI-assisted writing and organizational tool.

KIET Project: Phase B–C Numerical Validation (Citadel Release)

Key Points

Abstract

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