Analytical–Numerical Modeling of Transient Heat Flux in a Semi-Infinite Medium Using the Duhamel IntegralAnarkhan Kasimakhunova, Qudratbek Mamarasulov, Ulugbek Nigmatov, Li Xiaohua and Li YunE3S Web Conf., 729 (2026) 02002DOI: https://doi.org/10.1051/e3sconf/202672902002