<p>Metal laminated composite panels are, in essence, valued for their superior mechanical performance and thermal stability. For a Cu/AA2030 bimetallic sandwich panel, this paper conducted an investigation into its thermo-mechanical behavior during hot rolling with a fully detailed 3D finite element model in ABAQUS/Explicit. An ALE formulation was utilized to accurately capture the large plastic deformation, interlayer interaction, and temperature-dependent material properties. Key process parameters were varied systematically: initial panel temperature, inlet composite thickness, reduction ratio, and convective heat transfer coefficient to investigate their effects on temperature, strain, lateral spread, and final strip geometry. Simulation results indicated that initial temperature increase reduced thermal gradients, internal stresses, and encouraged more homogeneous deformation. However, larger initial thicknesses and higher reduction ratios increased the plastic work heat, thus leading to a remarkable centerline temperature increase and causing greater inter-layer non-uniformity. A higher value of the convective heat transfer coefficients caused high surface cooling and reduced thermal mismatch considerably. Strong correlations were obtained between reduction ratio and both lateral spread and longitudinal elongation, which highlighted the importance of thickness reduction in geometric evolution. The developed model shows promising capabilities in achieving insights into coupled thermal and deformation mechanisms, thus providing a predictive framework to optimize parameters aimed at improved interlayer bonding and dimensional accuracy for industrial applications.</p>