HIGH FIDELITY AND REDUCED ORDER SOLUTIONS TO AN SMR-LEVEL PROGRESSION PROBLEM WITH THE KRAKEN COMPUTATIONAL FRAMEWORKVille Valtavirta, Unna Lauranto, Ville Hovi, Jussi Peltonen, Antti Rintala, Riku Tuominen and Jaakko LeppänenEPJ Web Conf., 247 (2021) 06014DOI: https://doi.org/10.1051/epjconf/202124706014