A method for forming a glass article, comprising: forming a molten material in a melting vessel , the melting vessel comprising a back wall , a front wall , a first side wall , and a second side wall , the melting vessel further including a longitudinal centerline CL extending from the back wall to the front wall and a width extending between an inside surface of the first side wall and an inside surface of the second side wall , the width orthogonal to the longitudinal centerline CL; heating the molten material , the heating forming a convection cell within the molten material comprising a first flow of the molten material flowing in a first direction toward the first side wall relative to the longitudinal centerline at a first flow velocity and a second flow of the molten material flowing in a second direction toward the second side wall relative to the longitudinal centerline CL at a second flow velocity, the first flow velocity and the second flow velocity varying as a function of distance from the longitudinal centerline CL; calculating a first distance from an inside surface of the first side wall along the first direction to where the first flow velocity is at a maximum and calculating a second distance from an inside surface of the second side wall along the second direction to where the second flow velocity is at a maximum; feeding a first raw material into an interior of the melting vessel with a first feed screw comprising a first axis of rotation , wherein a distance between the first axis of rotation and the inside surface of the first side wall is equal to the calculated first distance, and feeding a second raw material into the interior of the melting vessel with a second feed screw comprising a second axis of rotation , wherein a distance between the second axis of rotation and the inside surface of the second side wall is equal to the calculated second distance; and forming a glass article with the molten material . forming a molten material in a melting vessel , the melting vessel comprising a back wall , a front wall , a first side wall , and a second side wall , the melting vessel further including a longitudinal centerline CL extending from the back wall to the front wall and a width extending between an inside surface of the first side wall and an inside surface of the second side wall , the width orthogonal to the longitudinal centerline CL; heating the molten material , the heating forming a convection cell within the molten material comprising a first flow of the molten material flowing in a first direction toward the first side wall relative to the longitudinal centerline at a first flow velocity and a second flow of the molten material flowing in a second direction toward the second side wall relative to the longitudinal centerline CL at a second flow velocity, the first flow velocity and the second flow velocity varying as a function of distance from the longitudinal centerline CL; calculating a first distance from an inside surface of the first side wall along the first direction to where the first flow velocity is at a maximum and calculating a second distance from an inside surface of the second side wall along the second direction to where the second flow velocity is at a maximum; feeding a first raw material into an interior of the melting vessel with a first feed screw comprising a first axis of rotation , wherein a distance between the first axis of rotation and the inside surface of the first side wall is equal to the calculated first distance, and feeding a second raw material into the interior of the melting vessel with a second feed screw comprising a second axis of rotation , wherein a distance between the second axis of rotation and the inside surface of the second side wall is equal to the calculated second distance; and forming a glass article with the molten material . <EOS>