An Effective Numerical Integration Method for Typical Stiff Systems
AIChE Journal 20, 368 · with Leon Lapidus
Publications and current research
A technical record—and a research program still in motion.
Selected work by Richard C. Aiken spans stiff numerical methods, singular perturbation, two-phase field measurement, acid-gas chemistry, stability theory, and quantitative behavioral science.
Selected published work
Pseudo Steady State Approximation for the Numerical Integration of Stiff Kinetic Systems
AIChE Journal 21, 917 · with Leon Lapidus
Problem Approximation for Stiff Ordinary Differential Equations
AIChE Journal 21, 1227 · with Leon Lapidus
Selective Removal of H₂S from CO₂ by Absorption and Reaction in Sprays
AIChE Journal 29, 66 · with E. Bendall
Stiff Computation
Oxford University Press
Two-Phase Flow Measurement of the Rickman–Painter System
American Gas Association research publication
Field Observations of Two-Phase Flow in the Matagorda Offshore Pipeline System
American Gas Association research publication
Stage-wise Parameter Estimation for Stiff Differential Equations
AIChE Journal 32, 195–199 · with V. Srinivasan
Selective Absorption of H₂S from CO₂—Factors Controlling Selectivity Toward H₂S
Fuel Processing Technology · with V. Srinivasan
Current scholarship
Manuscripts under consideration
These works have not yet been accepted or published and are identified transparently by status.
Diagnostic reliability
Standardizing Diagnostic Reliability Across Populations
An assumption-screened method for transporting reliability estimates to a common reference population.
Under consideration · 2026Biomarker psychiatry
Why Biomarker Studies in Depression Disagree
A latent-variable analysis of how biomarker covariance changes subtype classification and agreement.
Under consideration · 2026Dynamical psychology
Stability and Recovery in Coupled Psychological Systems
A coupling–dissipation–perturbation framework yielding estimable recovery and stability quantities.
Under consideration · 2026Scholarly identity
ORCID 0000-0002-0355-619X
Technical inquiries